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    Just to follow up on the chimera-users list, the bug was in the
    script that invoked chimera via os.system("chimera ....").  It had
    an "import chimera" in it, which failed and wouldn't have helped
    anyway since chimera was being used as an external program, not as a
    module.<br>
    <br>
        -- Greg<br>
    <br>
    <div class="moz-cite-prefix">On 06/20/2016 03:50 PM, Greg Couch
      wrote:<br>
    </div>
    <blockquote cite="mid:5768733E.3060209@cgl.ucsf.edu" type="cite">
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      Change your os.system("chimera ...") to os.system("env
      PYTHONVERBOSE=1 chimera ...") and the debugging output might give
      you a clue.  Feel free to send me the voluminous output (and just
      me, not the whole chimera-users list), and I'll let you know if I
      spot anything.<br>
      <br>
          -- Greg<br>
      <br>
      <div class="moz-cite-prefix">On 06/20/2016 03:27 PM, Subha
        Kalyaanamoorthy wrote:<br>
      </div>
      <blockquote
cite="mid:CAFuN1V=PtjK=nBd6+-_4Tir1T+xc8JebJvx0frzbeoyqEUq1og@mail.gmail.com"
        type="cite">
        <div dir="ltr"><span style="font-size:13px">Hi Greg,</span>
          <div style="font-size:13px"><br>
          </div>
          <div style="font-size:13px"><font face="verdana, sans-serif">Thanks

              for the kind reply. </font></div>
          <div style="font-size:13px"><font face="verdana, sans-serif">Sorry

              about the typo.</font></div>
          <div style="font-size:13px"><font face="verdana, sans-serif"><br>
            </font></div>
          <div style="font-size:13px"><font face="verdana, sans-serif">The

              environment variables of the system seem fine to me. I
              also tried calling Chimera  from the same directory as the
              script and its working fine. </font></div>
          <div style="font-size:13px"><font face="verdana, sans-serif"><br>
            </font></div>
          <div style="font-size:13px"><font face="verdana, sans-serif">However,

              calling the chimera script using "python sample.py"
              doesn't work and using absolute path to chimera didn't
              help too.</font></div>
          <div style="font-size:13px"><font face="verdana, sans-serif"><br>
            </font></div>
          <div style="font-size:13px"><font face="verdana, sans-serif">I
              tried installing pychimera, but end up with the same kind
              of error when I try pychimera -i</font></div>
          <div style="font-size:13px"><font face="verdana, sans-serif">import

              pychimera</font></div>
          <p style="font-size:13px;margin:0px;line-height:normal"><font
              face="verdana, sans-serif">ImportError: No module named
              pychimera</font></p>
          <p style="font-size:13px;margin:0px;line-height:normal"><font
              face="verdana, sans-serif"><br>
            </font></p>
          <p style="font-size:13px;margin:0px;line-height:normal"><font
              face="verdana, sans-serif">Couldn't understand what's
              going on with these import modules.</font></p>
          <p style="font-size:13px;margin:0px;line-height:normal"><font
              face="verdana, sans-serif"><br>
            </font></p>
          <p style="font-size:13px;margin:0px;line-height:normal"><font
              face="verdana, sans-serif">I would greatly appreciate any
              suggestions to solve this.</font></p>
          <p style="font-size:13px;margin:0px;line-height:normal"><font
              face="verdana, sans-serif"><br>
            </font></p>
          <p style="font-size:13px;margin:0px;line-height:normal"><font
              face="verdana, sans-serif">Thanks,</font></p>
          <p style="font-size:13px;margin:0px;line-height:normal"><font
              face="verdana, sans-serif">Subha</font></p>
        </div>
        <div class="gmail_extra"><br>
          <div class="gmail_quote">On Mon, Jun 20, 2016 at 4:05 PM, Greg
            Couch <span dir="ltr">&lt;<a moz-do-not-send="true"
                href="mailto:gregc@cgl.ucsf.edu" target="_blank">gregc@cgl.ucsf.edu</a>&gt;</span>
            wrote:<br>
            <blockquote class="gmail_quote" style="margin:0 0 0
              .8ex;border-left:1px #ccc solid;padding-left:1ex">
              <div text="#000000" bgcolor="#FFFFFF"> (I assume you meant
                --nostatus)<br>
                <br>
                For me the simple test of a file with:<br>
                <blockquote type="cite">import os<br>
                  os.system("chimera --nogui --nostatus")<br>
                </blockquote>
                works just fine.  So it's probably something about your
                particular setup that is tickling this bug.<br>
                <br>
                It might be the directory that you're running the script
                in, it might have python modules/packages that conflict
                with chimera's.  Or it might something in the
                environment.  Chimera tries to protect its python from
                the user's environment, but maybe we missed something. 
                Also double check that the chimera you're invoking is
                the one you're expecting -- try using an absolute path
                to chimera while you're debugging this.<br>
                <br>
                    HTH,<br>
                <br>
                    Greg
                <div>
                  <div class="h5"><br>
                    <br>
                    <div>On 06/20/2016 01:18 PM, Subha Kalyaanamoorthy
                      wrote:<br>
                    </div>
                  </div>
                </div>
                <blockquote type="cite">
                  <div>
                    <div class="h5">
                      <div dir="ltr"><font face="verdana, sans-serif">Hi
                          There,</font>
                        <div><font face="verdana, sans-serif"><br>
                          </font></div>
                        <div><font face="verdana, sans-serif">I am
                            trying to call a script with Chimera
                            commands(saved as sample.py file)  in
                            another python program using
                            os.system("chimera --nogui --nostats
                            sample.py") and I get an module load error
                            as below,</font></div>
                        <div><font face="verdana, sans-serif"><br>
                          </font></div>
                        <div>
                          <p style="margin:0px;line-height:normal"><span><font
                                face="verdana, sans-serif">import
                                chimera</font></span></p>
                          <p style="margin:0px;line-height:normal"><span><font
                                face="verdana, sans-serif">ImportError:
                                No module named chimera</font></span></p>
                          <p style="margin:0px;line-height:normal"><span><font
                                face="verdana, sans-serif"><br>
                              </font></span></p>
                          <p style="margin:0px;line-height:normal"><font
                              face="verdana, sans-serif">However, if I
                              call the script with chimera it works, for
                              eg., chimera --nogui --nostats sample.py
                              typed directly in terminal is working.</font></p>
                          <p style="margin:0px;line-height:normal"><font
                              face="verdana, sans-serif"><br>
                            </font></p>
                          <p style="margin:0px;line-height:normal"><font
                              face="verdana, sans-serif">Can anybody
                              help fix this error?</font></p>
                          <p style="margin:0px;line-height:normal"><font
                              face="verdana, sans-serif"><br>
                            </font></p>
                          <p style="margin:0px;line-height:normal"><font
                              face="verdana, sans-serif">Thanks in
                              advance,</font></p>
                          <p style="margin:0px;line-height:normal"><font
                              face="verdana, sans-serif">Best Regards,</font></p>
                          <p style="margin:0px;line-height:normal"><font
                              face="verdana, sans-serif">Subha</font></p>
                          <div><br>
                          </div>
                        </div>
                      </div>
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                  <pre>_______________________________________________
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                <br>
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          </div>
          <br>
          <br clear="all">
          <div><br>
          </div>
          -- <br>
          <div class="gmail_signature" data-smartmail="gmail_signature">
            <div dir="ltr">Dr. Subha Kalyaanamoorthy
              <div>Post Doctoral Fellow</div>
              <div>Faculty of Pharmacy and Pharmaceutical Sciences</div>
              <div>University of Alberta</div>
              <div>Edmonton, Canada.</div>
              <div><br>
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