Histogram: super(type, obj): obj must be an instance or subtype of type

[Elaine Meng]

The following bug report has been submitted:
Platform:        macOS-12.6-arm64-arm-64bit
ChimeraX Version: 1.6.dev202210230424 (2022-10-23 04:24:44 UTC)
Description
traceback after choosing "modeller_zDOPE" from menu in Render by Attribute

Log:
> open /Users/meng/Desktop/startup.cxc

> alias reset view orient; view initial

> alias start tool show $1

> alias whereprefs info path user unversioned config

> alias captut open help:user/tutorials/binding-sites.html#cap-example

> alias previewts toolshed url https://cxtoolshed-
> preview.rbvi.ucsf.edu;toolshed reload available

> alias normalts toolshed url https://cxtoolshed.rbvi.ucsf.edu;toolshed reload
> available

> alias btut open
> https://www.cgl.ucsf.edu/home/meng/chimerax/vdocs/user/tutorials/binding-
> sites.html

> alias stut open https://www.rbvi.ucsf.edu/chimerax/data/conservation-
> coloring/conservation-coloring.html

> alias ltut open https://www.rbvi.ucsf.edu/chimerax/data/loop-modeling/loop-
> modeling.html; ui dockable false "Help Viewer"

executed startup.cxc  
UCSF ChimeraX version: 1.6.dev202210230424 (2022-10-23)  
© 2016-2022 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> ui tool show "Render By Attribute"

> open 1bl8 format mmcif fromDatabase pdb

1bl8 title:  
Potassium channel (KCSA) from streptomyces lividans [more info...]  
  
Chain information for 1bl8 #1  
---  
Chain | Description | UniProt  
A B C D | PROTEIN (POTASSIUM CHANNEL PROTEIN) | KCSA_STRLI  
  
Non-standard residues in 1bl8 #1  
---  
K — potassium ion  
  

> surface

> info residues

residue id /A:23 name ALA index 0  
residue id /A:24 name LEU index 1  
residue id /A:25 name HIS index 2  
residue id /A:26 name TRP index 3  
residue id /A:27 name ARG index 4  
residue id /A:28 name ALA index 5  
residue id /A:29 name ALA index 6  
residue id /A:30 name GLY index 7  
residue id /A:31 name ALA index 8  
residue id /A:32 name ALA index 9  
residue id /A:33 name THR index 10  
residue id /A:34 name VAL index 11  
residue id /A:35 name LEU index 12  
residue id /A:36 name LEU index 13  
residue id /A:37 name VAL index 14  
residue id /A:38 name ILE index 15  
residue id /A:39 name VAL index 16  
residue id /A:40 name LEU index 17  
residue id /A:41 name LEU index 18  
residue id /A:42 name ALA index 19  
residue id /A:43 name GLY index 20  
residue id /A:44 name SER index 21  
residue id /A:45 name TYR index 22  
residue id /A:46 name LEU index 23  
residue id /A:47 name ALA index 24  
residue id /A:48 name VAL index 25  
residue id /A:49 name LEU index 26  
residue id /A:50 name ALA index 27  
residue id /A:51 name GLU index 28  
residue id /A:52 name ARG index 29  
residue id /A:53 name GLY index 30  
residue id /A:54 name ALA index 31  
residue id /A:55 name PRO index 32  
residue id /A:56 name GLY index 33  
residue id /A:57 name ALA index 34  
residue id /A:58 name GLN index 35  
residue id /A:59 name LEU index 36  
residue id /A:60 name ILE index 37  
residue id /A:61 name THR index 38  
residue id /A:62 name TYR index 39  
residue id /A:63 name PRO index 40  
residue id /A:64 name ARG index 41  
residue id /A:65 name ALA index 42  
residue id /A:66 name LEU index 43  
residue id /A:67 name TRP index 44  
residue id /A:68 name TRP index 45  
residue id /A:69 name SER index 46  
residue id /A:70 name VAL index 47  
residue id /A:71 name GLU index 48  
residue id /A:72 name THR index 49  
residue id /A:73 name ALA index 50  
residue id /A:74 name THR index 51  
residue id /A:75 name THR index 52  
residue id /A:76 name VAL index 53  
residue id /A:77 name GLY index 54  
residue id /A:78 name TYR index 55  
residue id /A:79 name GLY index 56  
residue id /A:80 name ASP index 57  
residue id /A:81 name LEU index 58  
residue id /A:82 name TYR index 59  
residue id /A:83 name PRO index 60  
residue id /A:84 name VAL index 61  
residue id /A:85 name THR index 62  
residue id /A:86 name LEU index 63  
residue id /A:87 name TRP index 64  
residue id /A:88 name GLY index 65  
residue id /A:89 name ARG index 66  
residue id /A:90 name CYS index 67  
residue id /A:91 name VAL index 68  
residue id /A:92 name ALA index 69  
residue id /A:93 name VAL index 70  
residue id /A:94 name VAL index 71  
residue id /A:95 name VAL index 72  
residue id /A:96 name MET index 73  
residue id /A:97 name VAL index 74  
residue id /A:98 name ALA index 75  
residue id /A:99 name GLY index 76  
residue id /A:100 name ILE index 77  
residue id /A:101 name THR index 78  
residue id /A:102 name SER index 79  
residue id /A:103 name PHE index 80  
residue id /A:104 name GLY index 81  
residue id /A:105 name LEU index 82  
residue id /A:106 name VAL index 83  
residue id /A:107 name THR index 84  
residue id /A:108 name ALA index 85  
residue id /A:109 name ALA index 86  
residue id /A:110 name LEU index 87  
residue id /A:111 name ALA index 88  
residue id /A:112 name THR index 89  
residue id /A:113 name TRP index 90  
residue id /A:114 name PHE index 91  
residue id /A:115 name VAL index 92  
residue id /A:116 name GLY index 93  
residue id /A:117 name ARG index 94  
residue id /A:118 name GLU index 95  
residue id /A:119 name GLN index 96  
residue id /B:23 name ALA index 0  
residue id /B:24 name LEU index 1  
residue id /B:25 name HIS index 2  
residue id /B:26 name TRP index 3  
residue id /B:27 name ARG index 4  
residue id /B:28 name ALA index 5  
residue id /B:29 name ALA index 6  
residue id /B:30 name GLY index 7  
residue id /B:31 name ALA index 8  
residue id /B:32 name ALA index 9  
residue id /B:33 name THR index 10  
residue id /B:34 name VAL index 11  
residue id /B:35 name LEU index 12  
residue id /B:36 name LEU index 13  
residue id /B:37 name VAL index 14  
residue id /B:38 name ILE index 15  
residue id /B:39 name VAL index 16  
residue id /B:40 name LEU index 17  
residue id /B:41 name LEU index 18  
residue id /B:42 name ALA index 19  
residue id /B:43 name GLY index 20  
residue id /B:44 name SER index 21  
residue id /B:45 name TYR index 22  
residue id /B:46 name LEU index 23  
residue id /B:47 name ALA index 24  
residue id /B:48 name VAL index 25  
residue id /B:49 name LEU index 26  
residue id /B:50 name ALA index 27  
residue id /B:51 name GLU index 28  
residue id /B:52 name ARG index 29  
residue id /B:53 name GLY index 30  
residue id /B:54 name ALA index 31  
residue id /B:55 name PRO index 32  
residue id /B:56 name GLY index 33  
residue id /B:57 name ALA index 34  
residue id /B:58 name GLN index 35  
residue id /B:59 name LEU index 36  
residue id /B:60 name ILE index 37  
residue id /B:61 name THR index 38  
residue id /B:62 name TYR index 39  
residue id /B:63 name PRO index 40  
residue id /B:64 name ARG index 41  
residue id /B:65 name ALA index 42  
residue id /B:66 name LEU index 43  
residue id /B:67 name TRP index 44  
residue id /B:68 name TRP index 45  
residue id /B:69 name SER index 46  
residue id /B:70 name VAL index 47  
residue id /B:71 name GLU index 48  
residue id /B:72 name THR index 49  
residue id /B:73 name ALA index 50  
residue id /B:74 name THR index 51  
residue id /B:75 name THR index 52  
residue id /B:76 name VAL index 53  
residue id /B:77 name GLY index 54  
residue id /B:78 name TYR index 55  
residue id /B:79 name GLY index 56  
residue id /B:80 name ASP index 57  
residue id /B:81 name LEU index 58  
residue id /B:82 name TYR index 59  
residue id /B:83 name PRO index 60  
residue id /B:84 name VAL index 61  
residue id /B:85 name THR index 62  
residue id /B:86 name LEU index 63  
residue id /B:87 name TRP index 64  
residue id /B:88 name GLY index 65  
residue id /B:89 name ARG index 66  
residue id /B:90 name CYS index 67  
residue id /B:91 name VAL index 68  
residue id /B:92 name ALA index 69  
residue id /B:93 name VAL index 70  
residue id /B:94 name VAL index 71  
residue id /B:95 name VAL index 72  
residue id /B:96 name MET index 73  
residue id /B:97 name VAL index 74  
residue id /B:98 name ALA index 75  
residue id /B:99 name GLY index 76  
residue id /B:100 name ILE index 77  
residue id /B:101 name THR index 78  
residue id /B:102 name SER index 79  
residue id /B:103 name PHE index 80  
residue id /B:104 name GLY index 81  
residue id /B:105 name LEU index 82  
residue id /B:106 name VAL index 83  
residue id /B:107 name THR index 84  
residue id /B:108 name ALA index 85  
residue id /B:109 name ALA index 86  
residue id /B:110 name LEU index 87  
residue id /B:111 name ALA index 88  
residue id /B:112 name THR index 89  
residue id /B:113 name TRP index 90  
residue id /B:114 name PHE index 91  
residue id /B:115 name VAL index 92  
residue id /B:116 name GLY index 93  
residue id /B:117 name ARG index 94  
residue id /B:118 name GLU index 95  
residue id /B:119 name GLN index 96  
residue id /C:23 name ALA index 0  
residue id /C:24 name LEU index 1  
residue id /C:25 name HIS index 2  
residue id /C:26 name TRP index 3  
residue id /C:27 name ARG index 4  
residue id /C:28 name ALA index 5  
residue id /C:29 name ALA index 6  
residue id /C:30 name GLY index 7  
residue id /C:31 name ALA index 8  
residue id /C:32 name ALA index 9  
residue id /C:33 name THR index 10  
residue id /C:34 name VAL index 11  
residue id /C:35 name LEU index 12  
residue id /C:36 name LEU index 13  
residue id /C:37 name VAL index 14  
residue id /C:38 name ILE index 15  
residue id /C:39 name VAL index 16  
residue id /C:40 name LEU index 17  
residue id /C:41 name LEU index 18  
residue id /C:42 name ALA index 19  
residue id /C:43 name GLY index 20  
residue id /C:44 name SER index 21  
residue id /C:45 name TYR index 22  
residue id /C:46 name LEU index 23  
residue id /C:47 name ALA index 24  
residue id /C:48 name VAL index 25  
residue id /C:49 name LEU index 26  
residue id /C:50 name ALA index 27  
residue id /C:51 name GLU index 28  
residue id /C:52 name ARG index 29  
residue id /C:53 name GLY index 30  
residue id /C:54 name ALA index 31  
residue id /C:55 name PRO index 32  
residue id /C:56 name GLY index 33  
residue id /C:57 name ALA index 34  
residue id /C:58 name GLN index 35  
residue id /C:59 name LEU index 36  
residue id /C:60 name ILE index 37  
residue id /C:61 name THR index 38  
residue id /C:62 name TYR index 39  
residue id /C:63 name PRO index 40  
residue id /C:64 name ARG index 41  
residue id /C:65 name ALA index 42  
residue id /C:66 name LEU index 43  
residue id /C:67 name TRP index 44  
residue id /C:68 name TRP index 45  
residue id /C:69 name SER index 46  
residue id /C:70 name VAL index 47  
residue id /C:71 name GLU index 48  
residue id /C:72 name THR index 49  
residue id /C:73 name ALA index 50  
residue id /C:74 name THR index 51  
residue id /C:75 name THR index 52  
residue id /C:76 name VAL index 53  
residue id /C:77 name GLY index 54  
residue id /C:78 name TYR index 55  
residue id /C:79 name GLY index 56  
residue id /C:80 name ASP index 57  
residue id /C:81 name LEU index 58  
residue id /C:82 name TYR index 59  
residue id /C:83 name PRO index 60  
residue id /C:84 name VAL index 61  
residue id /C:85 name THR index 62  
residue id /C:86 name LEU index 63  
residue id /C:87 name TRP index 64  
residue id /C:88 name GLY index 65  
residue id /C:89 name ARG index 66  
residue id /C:90 name CYS index 67  
residue id /C:91 name VAL index 68  
residue id /C:92 name ALA index 69  
residue id /C:93 name VAL index 70  
residue id /C:94 name VAL index 71  
residue id /C:95 name VAL index 72  
residue id /C:96 name MET index 73  
residue id /C:97 name VAL index 74  
residue id /C:98 name ALA index 75  
residue id /C:99 name GLY index 76  
residue id /C:100 name ILE index 77  
residue id /C:101 name THR index 78  
residue id /C:102 name SER index 79  
residue id /C:103 name PHE index 80  
residue id /C:104 name GLY index 81  
residue id /C:105 name LEU index 82  
residue id /C:106 name VAL index 83  
residue id /C:107 name THR index 84  
residue id /C:108 name ALA index 85  
residue id /C:109 name ALA index 86  
residue id /C:110 name LEU index 87  
residue id /C:111 name ALA index 88  
residue id /C:112 name THR index 89  
residue id /C:113 name TRP index 90  
residue id /C:114 name PHE index 91  
residue id /C:115 name VAL index 92  
residue id /C:116 name GLY index 93  
residue id /C:117 name ARG index 94  
residue id /C:118 name GLU index 95  
residue id /C:119 name GLN index 96  
residue id /D:23 name ALA index 0  
residue id /D:24 name LEU index 1  
residue id /D:25 name HIS index 2  
residue id /D:26 name TRP index 3  
residue id /D:27 name ARG index 4  
residue id /D:28 name ALA index 5  
residue id /D:29 name ALA index 6  
residue id /D:30 name GLY index 7  
residue id /D:31 name ALA index 8  
residue id /D:32 name ALA index 9  
residue id /D:33 name THR index 10  
residue id /D:34 name VAL index 11  
residue id /D:35 name LEU index 12  
residue id /D:36 name LEU index 13  
residue id /D:37 name VAL index 14  
residue id /D:38 name ILE index 15  
residue id /D:39 name VAL index 16  
residue id /D:40 name LEU index 17  
residue id /D:41 name LEU index 18  
residue id /D:42 name ALA index 19  
residue id /D:43 name GLY index 20  
residue id /D:44 name SER index 21  
residue id /D:45 name TYR index 22  
residue id /D:46 name LEU index 23  
residue id /D:47 name ALA index 24  
residue id /D:48 name VAL index 25  
residue id /D:49 name LEU index 26  
residue id /D:50 name ALA index 27  
residue id /D:51 name GLU index 28  
residue id /D:52 name ARG index 29  
residue id /D:53 name GLY index 30  
residue id /D:54 name ALA index 31  
residue id /D:55 name PRO index 32  
residue id /D:56 name GLY index 33  
residue id /D:57 name ALA index 34  
residue id /D:58 name GLN index 35  
residue id /D:59 name LEU index 36  
residue id /D:60 name ILE index 37  
residue id /D:61 name THR index 38  
residue id /D:62 name TYR index 39  
residue id /D:63 name PRO index 40  
residue id /D:64 name ARG index 41  
residue id /D:65 name ALA index 42  
residue id /D:66 name LEU index 43  
residue id /D:67 name TRP index 44  
residue id /D:68 name TRP index 45  
residue id /D:69 name SER index 46  
residue id /D:70 name VAL index 47  
residue id /D:71 name GLU index 48  
residue id /D:72 name THR index 49  
residue id /D:73 name ALA index 50  
residue id /D:74 name THR index 51  
residue id /D:75 name THR index 52  
residue id /D:76 name VAL index 53  
residue id /D:77 name GLY index 54  
residue id /D:78 name TYR index 55  
residue id /D:79 name GLY index 56  
residue id /D:80 name ASP index 57  
residue id /D:81 name LEU index 58  
residue id /D:82 name TYR index 59  
residue id /D:83 name PRO index 60  
residue id /D:84 name VAL index 61  
residue id /D:85 name THR index 62  
residue id /D:86 name LEU index 63  
residue id /D:87 name TRP index 64  
residue id /D:88 name GLY index 65  
residue id /D:89 name ARG index 66  
residue id /D:90 name CYS index 67  
residue id /D:91 name VAL index 68  
residue id /D:92 name ALA index 69  
residue id /D:93 name VAL index 70  
residue id /D:94 name VAL index 71  
residue id /D:95 name VAL index 72  
residue id /D:96 name MET index 73  
residue id /D:97 name VAL index 74  
residue id /D:98 name ALA index 75  
residue id /D:99 name GLY index 76  
residue id /D:100 name ILE index 77  
residue id /D:101 name THR index 78  
residue id /D:102 name SER index 79  
residue id /D:103 name PHE index 80  
residue id /D:104 name GLY index 81  
residue id /D:105 name LEU index 82  
residue id /D:106 name VAL index 83  
residue id /D:107 name THR index 84  
residue id /D:108 name ALA index 85  
residue id /D:109 name ALA index 86  
residue id /D:110 name LEU index 87  
residue id /D:111 name ALA index 88  
residue id /D:112 name THR index 89  
residue id /D:113 name TRP index 90  
residue id /D:114 name PHE index 91  
residue id /D:115 name VAL index 92  
residue id /D:116 name GLY index 93  
residue id /D:117 name ARG index 94  
residue id /D:118 name GLU index 95  
residue id /D:119 name GLN index 96  
residue id /A:401 name K  
residue id /A:402 name K  
residue id /A:403 name K  
residue id /B:500 name HOH  

> info resattr

resattr alt_loc  
resattr alt_locs  
resattr atoms  
resattr atomspec  
resattr center  
resattr chain  
resattr chain_id  
resattr chi1  
resattr chi2  
resattr chi3  
resattr chi4  
resattr cpp_pointer  
resattr custom_attrs  
resattr deleted  
resattr description  
resattr has_custom_attrs  
resattr insertion_code  
resattr is_helix  
resattr is_strand  
resattr label_one_letter_code  
resattr label_specifier  
resattr mmcif_chain_id  
resattr name  
resattr neighbors  
resattr num_atoms  
resattr number  
resattr omega  
resattr one_letter_code  
resattr phi  
resattr polymer_type  
resattr principal_atom  
resattr psi  
resattr ribbon_adjust  
resattr ribbon_color  
resattr ribbon_display  
resattr ribbon_hide_backbone  
resattr ring_color  
resattr ring_display  
resattr selected  
resattr session  
resattr ss_id  
resattr ss_type  
resattr standard_aa_name  
resattr structure  
resattr sym_chi1  
resattr sym_chi2  
resattr sym_chi3  
resattr sym_chi4  
resattr thin_rings  

> ui tool show "Render By Attribute"

> close

> open 2gbp

2gbp title:  
Sugar and signal-transducer binding sites of the escherichia coli galactose
chemoreceptor protein [more info...]  
  
Chain information for 2gbp #1  
---  
Chain | Description | UniProt  
A | D-GALACTOSE/D-GLUCOSE BINDING PROTEIN | DGAL_ECOLI  
  
Non-standard residues in 2gbp #1  
---  
BGC — β-D-glucose  
CA — calcium ion  
  

> delete ~ligand

> addh

Summary of feedback from adding hydrogens to 2gbp #1  
---  
notes | Chain-initial residues that are actual N termini:  
Chain-initial residues that are not actual N termini:  
Chain-final residues that are actual C termini:  
Chain-final residues that are not actual C termini:  
0 hydrogen bonds  
12 hydrogens added  
  

> addcharge

Using Amber 20 recommended default charges and atom types for standard
residues  
Assigning partial charges to residue BGC (net charge +0) with am1-bcc method  
Running ANTECHAMBER command:
/Users/meng/Desktop/ChimeraX_Daily.app/Contents/bin/amber20/bin/antechamber
-ek qm_theory='AM1', -i
/var/folders/5y/hlccmqph8xj29d001s70mt7r0000gr/T/tmptt3rx7rp/ante.in.mol2 -fi
mol2 -o
/var/folders/5y/hlccmqph8xj29d001s70mt7r0000gr/T/tmptt3rx7rp/ante.out.mol2 -fo
mol2 -c bcc -nc 0 -j 5 -s 2 -dr n  
(BGC) ``  
(BGC) `Welcome to antechamber 20.0: molecular input file processor.`  
(BGC) ``  
(BGC) `Info: Finished reading file
(/var/folders/5y/hlccmqph8xj29d001s70mt7r0000gr/T/tmptt3rx7rp/ante.in.mol2);
atoms read (24), bonds read (24).`  
(BGC) `Info: Determining atomic numbers from atomic symbols which are case
sensitive.`  
(BGC) `Running:
/Users/meng/Desktop/ChimeraX_Daily.app/Contents/bin/amber20/bin/bondtype -j
part -i ANTECHAMBER_BOND_TYPE.AC0 -o ANTECHAMBER_BOND_TYPE.AC -f ac`  
(BGC) ``  
(BGC) ``  
(BGC) `Running:
/Users/meng/Desktop/ChimeraX_Daily.app/Contents/bin/amber20/bin/atomtype -i
ANTECHAMBER_AC.AC0 -o ANTECHAMBER_AC.AC -p gaff`  
(BGC) `Info: Total number of electrons: 96; net charge: 0`  
(BGC) ``  
(BGC) `Running:
/Users/meng/Desktop/ChimeraX_Daily.app/Contents/bin/amber20/bin/sqm -O -i
sqm.in -o sqm.out`  
(BGC) ``  
(BGC) `Running:
/Users/meng/Desktop/ChimeraX_Daily.app/Contents/bin/amber20/bin/am1bcc -i
ANTECHAMBER_AM1BCC_PRE.AC -o ANTECHAMBER_AM1BCC.AC -f ac -p
/Users/meng/Desktop/ChimeraX_Daily.app/Contents/bin/amber20/dat/antechamber/BCCPARM.DAT
-s 2 -j 1`  
(BGC) ``  
(BGC) `Running:
/Users/meng/Desktop/ChimeraX_Daily.app/Contents/bin/amber20/bin/atomtype -f ac
-p bcc -o ANTECHAMBER_AM1BCC.AC -i ANTECHAMBER_AM1BCC_PRE.AC`  
(BGC) ``  
Charges for residue BGC determined  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  

> color byattribute a:bfactor #!1 target csab palette
> 3.44,blue:7.24304,yellow:9.87,red

24 atoms, 1 residues, atom bfactor range 3.44 to 9.87  

> color byattribute a:bfactor #!1 target csab palette
> 3.44,blue:7.24304,yellow:9.87,red noValueColor #f900ff

24 atoms, 1 residues, atom bfactor range 3.44 to 9.87  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  
if self._drag_marker else super().mouseMoveEvent(event)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in <lambda>  
if self._drag_marker else super().mouseMoveEvent(event)  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
TypeError: super(type, obj): obj must be an instance or subtype of type  
  
File
"/Users/meng/Desktop/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/ui/widgets/histogram.py", line 181, in  




OpenGL version: 4.1 Metal - 76.3
OpenGL renderer: Apple M1 Pro
OpenGL vendor: Apple

Python: 3.9.11
Locale: UTF-8
Qt version: PyQt6 6.3.1, Qt 6.3.1
Qt runtime version: 6.3.2
Qt platform: cocoa
Hardware:

    Hardware Overview:

      Model Name: MacBook Pro
      Model Identifier: MacBookPro18,1
      Chip: Apple M1 Pro
      Total Number of Cores: 10 (8 performance and 2 efficiency)
      Memory: 16 GB
      System Firmware Version: 7459.141.1
      OS Loader Version: 7459.141.1

Software:

    System Software Overview:

      System Version: macOS 12.6 (21G115)
      Kernel Version: Darwin 21.6.0
      Time since boot: 10:17

Graphics/Displays:

    Apple M1 Pro:

      Chipset Model: Apple M1 Pro
      Type: GPU
      Bus: Built-In
      Total Number of Cores: 16
      Vendor: Apple (0x106b)
      Metal Family: Supported, Metal GPUFamily Apple 7
      Displays:
        Color LCD:
          Display Type: Built-in Liquid Retina XDR Display
          Resolution: 3456 x 2234 Retina
          Main Display: Yes
          Mirror: Off
          Online: Yes
          Automatically Adjust Brightness: Yes
          Connection Type: Internal


Installed Packages:
    alabaster: 0.7.12
    appdirs: 1.4.4
    appnope: 0.1.3
    asttokens: 2.0.8
    Babel: 2.10.3
    backcall: 0.2.0
    blockdiag: 3.0.0
    build: 0.8.0
    certifi: 2021.10.8
    cftime: 1.6.2
    charset-normalizer: 2.1.1
    ChimeraX-AddCharge: 1.4
    ChimeraX-AddH: 2.2
    ChimeraX-AlignmentAlgorithms: 2.0
    ChimeraX-AlignmentHdrs: 3.3
    ChimeraX-AlignmentMatrices: 2.1
    ChimeraX-Alignments: 2.8
    ChimeraX-AlphaFold: 1.0
    ChimeraX-AltlocExplorer: 1.0.3
    ChimeraX-AmberInfo: 1.0
    ChimeraX-Arrays: 1.0
    ChimeraX-Atomic: 1.43.2
    ChimeraX-AtomicLibrary: 8.0.2
    ChimeraX-AtomSearch: 2.0.1
    ChimeraX-AxesPlanes: 2.3
    ChimeraX-BasicActions: 1.1.2
    ChimeraX-BILD: 1.0
    ChimeraX-BlastProtein: 2.1.2
    ChimeraX-BondRot: 2.0.1
    ChimeraX-BugReporter: 1.0.1
    ChimeraX-BuildStructure: 2.7.1
    ChimeraX-Bumps: 1.0
    ChimeraX-BundleBuilder: 1.2
    ChimeraX-ButtonPanel: 1.0.1
    ChimeraX-CageBuilder: 1.0.1
    ChimeraX-CellPack: 1.0
    ChimeraX-Centroids: 1.3.1
    ChimeraX-ChangeChains: 1.0.2
    ChimeraX-CheckWaters: 1.3
    ChimeraX-ChemGroup: 2.0
    ChimeraX-Clashes: 2.2.4
    ChimeraX-ColorActions: 1.0.3
    ChimeraX-ColorGlobe: 1.0
    ChimeraX-ColorKey: 1.5.2
    ChimeraX-CommandLine: 1.2.5
    ChimeraX-ConnectStructure: 2.0.1
    ChimeraX-Contacts: 1.0.1
    ChimeraX-Core: 1.6.dev202210230424
    ChimeraX-CoreFormats: 1.1
    ChimeraX-coulombic: 1.3.2
    ChimeraX-Crosslinks: 1.0
    ChimeraX-Crystal: 1.0
    ChimeraX-CrystalContacts: 1.0.1
    ChimeraX-DataFormats: 1.2.2
    ChimeraX-Dicom: 1.1
    ChimeraX-DistMonitor: 1.3
    ChimeraX-DockPrep: 1.0
    ChimeraX-Dssp: 2.0
    ChimeraX-EMDB-SFF: 1.0
    ChimeraX-ExperimentalCommands: 1.0
    ChimeraX-FileHistory: 1.0.1
    ChimeraX-FunctionKey: 1.0.1
    ChimeraX-Geometry: 1.2
    ChimeraX-gltf: 1.0
    ChimeraX-Graphics: 1.1
    ChimeraX-Hbonds: 2.4
    ChimeraX-Help: 1.2.1
    ChimeraX-HKCage: 1.3
    ChimeraX-IHM: 1.1
    ChimeraX-ImageFormats: 1.2
    ChimeraX-IMOD: 1.0
    ChimeraX-IO: 1.0.1
    ChimeraX-ItemsInspection: 1.0.1
    ChimeraX-Label: 1.1.7
    ChimeraX-ListInfo: 1.1.1
    ChimeraX-Log: 1.1.5
    ChimeraX-LookingGlass: 1.1
    ChimeraX-Maestro: 1.8.2
    ChimeraX-Map: 1.1.2
    ChimeraX-MapData: 2.0
    ChimeraX-MapEraser: 1.0.1
    ChimeraX-MapFilter: 2.0
    ChimeraX-MapFit: 2.0
    ChimeraX-MapSeries: 2.1.1
    ChimeraX-Markers: 1.0.1
    ChimeraX-Mask: 1.0.1
    ChimeraX-MatchMaker: 2.0.9
    ChimeraX-MDcrds: 2.6
    ChimeraX-MedicalToolbar: 1.0.2
    ChimeraX-Meeting: 1.0.1
    ChimeraX-MLP: 1.1
    ChimeraX-mmCIF: 2.8
    ChimeraX-MMTF: 2.2
    ChimeraX-Modeller: 1.5.6
    ChimeraX-ModelPanel: 1.3.6
    ChimeraX-ModelSeries: 1.0.1
    ChimeraX-Mol2: 2.0
    ChimeraX-Mole: 1.0
    ChimeraX-Morph: 1.0.1
    ChimeraX-MouseModes: 1.1.1
    ChimeraX-Movie: 1.0
    ChimeraX-Neuron: 1.0
    ChimeraX-Nucleotides: 2.0.3
    ChimeraX-OpenCommand: 1.9.1
    ChimeraX-PDB: 2.6.8
    ChimeraX-PDBBio: 1.0
    ChimeraX-PDBLibrary: 1.0.2
    ChimeraX-PDBMatrices: 1.0
    ChimeraX-PickBlobs: 1.0.1
    ChimeraX-Positions: 1.0
    ChimeraX-PresetMgr: 1.1
    ChimeraX-PubChem: 2.1
    ChimeraX-ReadPbonds: 1.0.1
    ChimeraX-Registration: 1.1.1
    ChimeraX-RemoteControl: 1.0
    ChimeraX-RenderByAttr: 1.0
    ChimeraX-RenumberResidues: 1.1
    ChimeraX-ResidueFit: 1.0.1
    ChimeraX-RestServer: 1.1
    ChimeraX-RNALayout: 1.0
    ChimeraX-RotamerLibMgr: 2.0.1
    ChimeraX-RotamerLibsDunbrack: 2.0
    ChimeraX-RotamerLibsDynameomics: 2.0
    ChimeraX-RotamerLibsRichardson: 2.0
    ChimeraX-SaveCommand: 1.5.1
    ChimeraX-SchemeMgr: 1.0
    ChimeraX-SDF: 2.0
    ChimeraX-Segger: 1.0
    ChimeraX-Segment: 1.0
    ChimeraX-SelInspector: 1.0
    ChimeraX-SeqView: 2.8
    ChimeraX-Shape: 1.0.1
    ChimeraX-Shell: 1.0.1
    ChimeraX-Shortcuts: 1.1.1
    ChimeraX-ShowSequences: 1.0.1
    ChimeraX-SideView: 1.0.1
    ChimeraX-Smiles: 2.1
    ChimeraX-SmoothLines: 1.0
    ChimeraX-SpaceNavigator: 1.0
    ChimeraX-StdCommands: 1.10
    ChimeraX-STL: 1.0
    ChimeraX-Storm: 1.0
    ChimeraX-StructMeasure: 1.1
    ChimeraX-Struts: 1.0.1
    ChimeraX-Surface: 1.0
    ChimeraX-SwapAA: 2.0.1
    ChimeraX-SwapRes: 2.1.3
    ChimeraX-TapeMeasure: 1.0
    ChimeraX-Test: 1.0
    ChimeraX-Toolbar: 1.1.2
    ChimeraX-ToolshedUtils: 1.2.1
    ChimeraX-Tug: 1.0.1
    ChimeraX-UI: 1.24.2
    ChimeraX-uniprot: 2.2.1
    ChimeraX-UnitCell: 1.0.1
    ChimeraX-ViewDockX: 1.1.3
    ChimeraX-VIPERdb: 1.0
    ChimeraX-Vive: 1.1
    ChimeraX-VolumeMenu: 1.0.1
    ChimeraX-VTK: 1.0
    ChimeraX-WavefrontOBJ: 1.0
    ChimeraX-WebCam: 1.0.1
    ChimeraX-WebServices: 1.1.0
    ChimeraX-Zone: 1.0.1
    colorama: 0.4.5
    cxservices: 1.2
    cycler: 0.11.0
    Cython: 0.29.32
    debugpy: 1.6.3
    decorator: 5.1.1
    docutils: 0.19
    entrypoints: 0.4
    executing: 1.1.1
    filelock: 3.7.1
    fonttools: 4.38.0
    funcparserlib: 1.0.0
    grako: 3.16.5
    h5py: 3.7.0
    html2text: 2020.1.16
    idna: 3.4
    ihm: 0.33
    imagecodecs: 2022.7.31
    imagesize: 1.4.1
    importlib-metadata: 5.0.0
    ipykernel: 6.15.3
    ipython: 8.4.0
    ipython-genutils: 0.2.0
    jedi: 0.18.1
    Jinja2: 3.1.2
    jupyter-client: 7.3.4
    jupyter-core: 4.11.2
    kiwisolver: 1.4.4
    line-profiler: 3.5.1
    lxml: 4.9.1
    lz4: 4.0.2
    MarkupSafe: 2.1.1
    matplotlib: 3.5.2
    matplotlib-inline: 0.1.6
    msgpack: 1.0.4
    nest-asyncio: 1.5.6
    netCDF4: 1.6.0
    networkx: 2.8.5
    numexpr: 2.8.3
    numpy: 1.23.1
    openvr: 1.23.701
    packaging: 21.3
    ParmEd: 3.4.3
    parso: 0.8.3
    pep517: 0.13.0
    pexpect: 4.8.0
    pickleshare: 0.7.5
    Pillow: 9.2.0
    pip: 22.2.2
    pkginfo: 1.8.3
    prompt-toolkit: 3.0.31
    psutil: 5.9.1
    ptyprocess: 0.7.0
    pure-eval: 0.2.2
    pycollada: 0.7.2
    pydicom: 2.3.0
    Pygments: 2.12.0
    PyOpenGL: 3.1.5
    PyOpenGL-accelerate: 3.1.5
    pyparsing: 3.0.9
    PyQt6-commercial: 6.3.1
    PyQt6-Qt6: 6.3.2
    PyQt6-sip: 13.4.0
    PyQt6-WebEngine-commercial: 6.3.1
    PyQt6-WebEngine-Qt6: 6.3.2
    python-dateutil: 2.8.2
    pytz: 2022.5
    pyzmq: 24.0.1
    qtconsole: 5.3.1
    QtPy: 2.2.1
    RandomWords: 0.4.0
    requests: 2.28.1
    scipy: 1.9.0
    setuptools: 65.1.1
    setuptools-scm: 7.0.5
    sfftk-rw: 0.7.2
    six: 1.16.0
    snowballstemmer: 2.2.0
    sortedcontainers: 2.4.0
    Sphinx: 5.1.1
    sphinx-autodoc-typehints: 1.19.1
    sphinxcontrib-applehelp: 1.0.2
    sphinxcontrib-blockdiag: 3.0.0
    sphinxcontrib-devhelp: 1.0.2
    sphinxcontrib-htmlhelp: 2.0.0
    sphinxcontrib-jsmath: 1.0.1
    sphinxcontrib-qthelp: 1.0.3
    sphinxcontrib-serializinghtml: 1.1.5
    stack-data: 0.5.1
    tables: 3.7.0
    tifffile: 2022.7.31
    tinyarray: 1.2.4
    tomli: 2.0.1
    tornado: 6.2
    traitlets: 5.3.0
    typing-extensions: 4.4.0
    urllib3: 1.26.12
    wcwidth: 0.2.5
    webcolors: 1.12
    wheel: 0.37.1
    wheel-filename: 1.4.1
    zipp: 3.10.0