Changes between Initial Version and Version 1 of Ticket #14521


Ignore:
Timestamp:
Feb 2, 2024, 9:28:23 AM (21 months ago)
Author:
Eric Pettersen
Comment:

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  • Ticket #14521

    • Property Component Unassigned → Platform
    • Property Owner set to Greg Couch
    • Property Platform → all
    • Property Project → ChimeraX
    • Property Status new → assigned
    • Property Summary ChimeraX bug report submission → libGLU.so.1: cannot open shared object file: No such file or directory

  • Ticket #14521 – Description

    initial v1  
    13721372directory 
    13731373 
    1374 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1375 directory 
    1376  
    1377 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1378 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1379 in 
    1380 from ._surface import subdivide_triangles, vertex_areas 
    1381  
    1382 See log for complete Python traceback. 
    1383  
    1384 Traceback (most recent call last): 
    1385 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1386 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1387 in _redraw_timer_callback 
    1388 drew = self.draw_new_frame() 
    1389 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1390 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1391 draw_new_frame 
    1392 from chimerax import surface 
    1393 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1394 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1395 in <module> 
    1396 from ._surface import subdivide_triangles, vertex_areas 
    1397 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1398 directory 
    1399  
    1400 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1401 directory 
    1402  
    1403 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1404 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1405 in 
    1406 from ._surface import subdivide_triangles, vertex_areas 
    1407  
    1408 See log for complete Python traceback. 
    1409  
    1410 Traceback (most recent call last): 
    1411 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1412 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1413 in _redraw_timer_callback 
    1414 drew = self.draw_new_frame() 
    1415 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1416 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1417 draw_new_frame 
    1418 from chimerax import surface 
    1419 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1420 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1421 in <module> 
    1422 from ._surface import subdivide_triangles, vertex_areas 
    1423 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1424 directory 
    1425  
    1426 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1427 directory 
    1428  
    1429 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1430 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1431 in 
    1432 from ._surface import subdivide_triangles, vertex_areas 
    1433  
    1434 See log for complete Python traceback. 
    1435  
    1436 Traceback (most recent call last): 
    1437 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1438 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1439 in _redraw_timer_callback 
    1440 drew = self.draw_new_frame() 
    1441 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1442 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1443 draw_new_frame 
    1444 from chimerax import surface 
    1445 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1446 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1447 in <module> 
    1448 from ._surface import subdivide_triangles, vertex_areas 
    1449 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1450 directory 
    1451  
    1452 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1453 directory 
    1454  
    1455 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1456 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1457 in 
    1458 from ._surface import subdivide_triangles, vertex_areas 
    1459  
    1460 See log for complete Python traceback. 
    1461  
    1462 Traceback (most recent call last): 
    1463 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1464 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1465 in _redraw_timer_callback 
    1466 drew = self.draw_new_frame() 
    1467 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1468 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1469 draw_new_frame 
    1470 from chimerax import surface 
    1471 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1472 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1473 in <module> 
    1474 from ._surface import subdivide_triangles, vertex_areas 
    1475 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1476 directory 
    1477  
    1478 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1479 directory 
    1480  
    1481 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1482 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1483 in 
    1484 from ._surface import subdivide_triangles, vertex_areas 
    1485  
    1486 See log for complete Python traceback. 
    1487  
    1488 Traceback (most recent call last): 
    1489 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1490 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1491 in _redraw_timer_callback 
    1492 drew = self.draw_new_frame() 
    1493 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1494 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1495 draw_new_frame 
    1496 from chimerax import surface 
    1497 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1498 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1499 in <module> 
    1500 from ._surface import subdivide_triangles, vertex_areas 
    1501 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1502 directory 
    1503  
    1504 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1505 directory 
    1506  
    1507 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1508 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1509 in 
    1510 from ._surface import subdivide_triangles, vertex_areas 
    1511  
    1512 See log for complete Python traceback. 
    1513  
    1514 Traceback (most recent call last): 
    1515 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1516 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1517 in _redraw_timer_callback 
    1518 drew = self.draw_new_frame() 
    1519 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1520 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1521 draw_new_frame 
    1522 from chimerax import surface 
    1523 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1524 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1525 in <module> 
    1526 from ._surface import subdivide_triangles, vertex_areas 
    1527 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1528 directory 
    1529  
    1530 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1531 directory 
    1532  
    1533 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1534 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1535 in 
    1536 from ._surface import subdivide_triangles, vertex_areas 
    1537  
    1538 See log for complete Python traceback. 
    1539  
    1540 Traceback (most recent call last): 
    1541 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1542 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1543 in _redraw_timer_callback 
    1544 drew = self.draw_new_frame() 
    1545 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1546 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1547 draw_new_frame 
    1548 from chimerax import surface 
    1549 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1550 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1551 in <module> 
    1552 from ._surface import subdivide_triangles, vertex_areas 
    1553 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1554 directory 
    1555  
    1556 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1557 directory 
    1558  
    1559 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1560 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1561 in 
    1562 from ._surface import subdivide_triangles, vertex_areas 
    1563  
    1564 See log for complete Python traceback. 
    1565  
    1566 Traceback (most recent call last): 
    1567 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1568 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1569 in _redraw_timer_callback 
    1570 drew = self.draw_new_frame() 
    1571 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1572 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1573 draw_new_frame 
    1574 from chimerax import surface 
    1575 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1576 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1577 in <module> 
    1578 from ._surface import subdivide_triangles, vertex_areas 
    1579 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1580 directory 
    1581  
    1582 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1583 directory 
    1584  
    1585 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1586 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1587 in 
    1588 from ._surface import subdivide_triangles, vertex_areas 
    1589  
    1590 See log for complete Python traceback. 
    1591  
    1592 Traceback (most recent call last): 
    1593 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1594 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1595 in _redraw_timer_callback 
    1596 drew = self.draw_new_frame() 
    1597 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1598 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1599 draw_new_frame 
    1600 from chimerax import surface 
    1601 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1602 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1603 in <module> 
    1604 from ._surface import subdivide_triangles, vertex_areas 
    1605 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1606 directory 
    1607  
    1608 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1609 directory 
    1610  
    1611 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1612 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1613 in 
    1614 from ._surface import subdivide_triangles, vertex_areas 
    1615  
    1616 See log for complete Python traceback. 
    1617  
    1618 Traceback (most recent call last): 
    1619 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1620 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1621 in _redraw_timer_callback 
    1622 drew = self.draw_new_frame() 
    1623 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1624 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1625 draw_new_frame 
    1626 from chimerax import surface 
    1627 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1628 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1629 in <module> 
    1630 from ._surface import subdivide_triangles, vertex_areas 
    1631 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1632 directory 
    1633  
    1634 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1635 directory 
    1636  
    1637 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1638 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1639 in 
    1640 from ._surface import subdivide_triangles, vertex_areas 
    1641  
    1642 See log for complete Python traceback. 
    1643  
    1644 Traceback (most recent call last): 
    1645 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1646 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1647 in _redraw_timer_callback 
    1648 drew = self.draw_new_frame() 
    1649 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1650 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1651 draw_new_frame 
    1652 from chimerax import surface 
    1653 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1654 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1655 in <module> 
    1656 from ._surface import subdivide_triangles, vertex_areas 
    1657 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1658 directory 
    1659  
    1660 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1661 directory 
    1662  
    1663 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1664 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1665 in 
    1666 from ._surface import subdivide_triangles, vertex_areas 
    1667  
    1668 See log for complete Python traceback. 
    1669  
    1670 Traceback (most recent call last): 
    1671 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1672 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1673 in _redraw_timer_callback 
    1674 drew = self.draw_new_frame() 
    1675 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1676 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1677 draw_new_frame 
    1678 from chimerax import surface 
    1679 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1680 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1681 in <module> 
    1682 from ._surface import subdivide_triangles, vertex_areas 
    1683 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1684 directory 
    1685  
    1686 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1687 directory 
    1688  
    1689 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1690 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1691 in 
    1692 from ._surface import subdivide_triangles, vertex_areas 
    1693  
    1694 See log for complete Python traceback. 
    1695  
    1696 Traceback (most recent call last): 
    1697 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1698 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1699 in _redraw_timer_callback 
    1700 drew = self.draw_new_frame() 
    1701 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1702 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1703 draw_new_frame 
    1704 from chimerax import surface 
    1705 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1706 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1707 in <module> 
    1708 from ._surface import subdivide_triangles, vertex_areas 
    1709 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1710 directory 
    1711  
    1712 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1713 directory 
    1714  
    1715 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1716 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1717 in 
    1718 from ._surface import subdivide_triangles, vertex_areas 
    1719  
    1720 See log for complete Python traceback. 
    1721  
    1722 Traceback (most recent call last): 
    1723 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1724 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1725 in _redraw_timer_callback 
    1726 drew = self.draw_new_frame() 
    1727 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1728 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1729 draw_new_frame 
    1730 from chimerax import surface 
    1731 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1732 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1733 in <module> 
    1734 from ._surface import subdivide_triangles, vertex_areas 
    1735 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1736 directory 
    1737  
    1738 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1739 directory 
    1740  
    1741 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1742 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1743 in 
    1744 from ._surface import subdivide_triangles, vertex_areas 
    1745  
    1746 See log for complete Python traceback. 
    1747  
    1748 Traceback (most recent call last): 
    1749 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1750 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1751 in _redraw_timer_callback 
    1752 drew = self.draw_new_frame() 
    1753 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1754 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1755 draw_new_frame 
    1756 from chimerax import surface 
    1757 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1758 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1759 in <module> 
    1760 from ._surface import subdivide_triangles, vertex_areas 
    1761 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1762 directory 
    1763  
    1764 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1765 directory 
    1766  
    1767 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1768 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1769 in 
    1770 from ._surface import subdivide_triangles, vertex_areas 
    1771  
    1772 See log for complete Python traceback. 
    1773  
    1774 Traceback (most recent call last): 
    1775 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1776 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1777 in _redraw_timer_callback 
    1778 drew = self.draw_new_frame() 
    1779 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1780 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1781 draw_new_frame 
    1782 from chimerax import surface 
    1783 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1784 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1785 in <module> 
    1786 from ._surface import subdivide_triangles, vertex_areas 
    1787 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1788 directory 
    1789  
    1790 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1791 directory 
    1792  
    1793 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1794 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1795 in 
    1796 from ._surface import subdivide_triangles, vertex_areas 
    1797  
    1798 See log for complete Python traceback. 
    1799  
    1800 Traceback (most recent call last): 
    1801 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1802 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1803 in _redraw_timer_callback 
    1804 drew = self.draw_new_frame() 
    1805 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1806 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1807 draw_new_frame 
    1808 from chimerax import surface 
    1809 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1810 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1811 in <module> 
    1812 from ._surface import subdivide_triangles, vertex_areas 
    1813 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1814 directory 
    1815  
    1816 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1817 directory 
    1818  
    1819 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1820 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1821 in 
    1822 from ._surface import subdivide_triangles, vertex_areas 
    1823  
    1824 See log for complete Python traceback. 
    1825  
    1826 Traceback (most recent call last): 
    1827 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1828 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1829 in _redraw_timer_callback 
    1830 drew = self.draw_new_frame() 
    1831 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1832 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1833 draw_new_frame 
    1834 from chimerax import surface 
    1835 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1836 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1837 in <module> 
    1838 from ._surface import subdivide_triangles, vertex_areas 
    1839 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1840 directory 
    1841  
    1842 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1843 directory 
    1844  
    1845 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1846 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1847 in 
    1848 from ._surface import subdivide_triangles, vertex_areas 
    1849  
    1850 See log for complete Python traceback. 
    1851  
    1852 Traceback (most recent call last): 
    1853 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1854 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1855 in _redraw_timer_callback 
    1856 drew = self.draw_new_frame() 
    1857 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1858 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1859 draw_new_frame 
    1860 from chimerax import surface 
    1861 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1862 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1863 in <module> 
    1864 from ._surface import subdivide_triangles, vertex_areas 
    1865 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1866 directory 
    1867  
    1868 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1869 directory 
    1870  
    1871 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1872 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1873 in 
    1874 from ._surface import subdivide_triangles, vertex_areas 
    1875  
    1876 See log for complete Python traceback. 
    1877  
    1878 Traceback (most recent call last): 
    1879 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1880 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1881 in _redraw_timer_callback 
    1882 drew = self.draw_new_frame() 
    1883 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1884 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1885 draw_new_frame 
    1886 from chimerax import surface 
    1887 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1888 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1889 in <module> 
    1890 from ._surface import subdivide_triangles, vertex_areas 
    1891 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1892 directory 
    1893  
    1894 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1895 directory 
    1896  
    1897 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1898 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1899 in 
    1900 from ._surface import subdivide_triangles, vertex_areas 
    1901  
    1902 See log for complete Python traceback. 
    1903  
    1904 Traceback (most recent call last): 
    1905 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1906 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1907 in _redraw_timer_callback 
    1908 drew = self.draw_new_frame() 
    1909 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1910 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1911 draw_new_frame 
    1912 from chimerax import surface 
    1913 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1914 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1915 in <module> 
    1916 from ._surface import subdivide_triangles, vertex_areas 
    1917 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1918 directory 
    1919  
    1920 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1921 directory 
    1922  
    1923 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1924 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1925 in 
    1926 from ._surface import subdivide_triangles, vertex_areas 
    1927  
    1928 See log for complete Python traceback. 
    1929  
    1930 Traceback (most recent call last): 
    1931 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1932 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1933 in _redraw_timer_callback 
    1934 drew = self.draw_new_frame() 
    1935 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1936 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1937 draw_new_frame 
    1938 from chimerax import surface 
    1939 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1940 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1941 in <module> 
    1942 from ._surface import subdivide_triangles, vertex_areas 
    1943 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1944 directory 
    1945  
    1946 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1947 directory 
    1948  
    1949 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1950 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1951 in 
    1952 from ._surface import subdivide_triangles, vertex_areas 
    1953  
    1954 See log for complete Python traceback. 
    1955  
    1956 Traceback (most recent call last): 
    1957 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1958 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1959 in _redraw_timer_callback 
    1960 drew = self.draw_new_frame() 
    1961 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1962 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1963 draw_new_frame 
    1964 from chimerax import surface 
    1965 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1966 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1967 in <module> 
    1968 from ._surface import subdivide_triangles, vertex_areas 
    1969 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1970 directory 
    1971  
    1972 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1973 directory 
    1974  
    1975 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1976 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1977 in 
    1978 from ._surface import subdivide_triangles, vertex_areas 
    1979  
    1980 See log for complete Python traceback. 
    1981  
    1982 Traceback (most recent call last): 
    1983 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1984 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    1985 in _redraw_timer_callback 
    1986 drew = self.draw_new_frame() 
    1987 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1988 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    1989 draw_new_frame 
    1990 from chimerax import surface 
    1991 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    1992 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    1993 in <module> 
    1994 from ._surface import subdivide_triangles, vertex_areas 
    1995 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1996 directory 
    1997  
    1998 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    1999 directory 
    2000  
    2001 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2002 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2003 in 
    2004 from ._surface import subdivide_triangles, vertex_areas 
    2005  
    2006 See log for complete Python traceback. 
    2007  
    2008 Traceback (most recent call last): 
    2009 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2010 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2011 in _redraw_timer_callback 
    2012 drew = self.draw_new_frame() 
    2013 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2014 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2015 draw_new_frame 
    2016 from chimerax import surface 
    2017 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2018 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2019 in <module> 
    2020 from ._surface import subdivide_triangles, vertex_areas 
    2021 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2022 directory 
    2023  
    2024 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2025 directory 
    2026  
    2027 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2028 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2029 in 
    2030 from ._surface import subdivide_triangles, vertex_areas 
    2031  
    2032 See log for complete Python traceback. 
    2033  
    2034 Traceback (most recent call last): 
    2035 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2036 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2037 in _redraw_timer_callback 
    2038 drew = self.draw_new_frame() 
    2039 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2040 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2041 draw_new_frame 
    2042 from chimerax import surface 
    2043 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2044 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2045 in <module> 
    2046 from ._surface import subdivide_triangles, vertex_areas 
    2047 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2048 directory 
    2049  
    2050 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2051 directory 
    2052  
    2053 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2054 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2055 in 
    2056 from ._surface import subdivide_triangles, vertex_areas 
    2057  
    2058 See log for complete Python traceback. 
    2059  
    2060 Traceback (most recent call last): 
    2061 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2062 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2063 in _redraw_timer_callback 
    2064 drew = self.draw_new_frame() 
    2065 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2066 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2067 draw_new_frame 
    2068 from chimerax import surface 
    2069 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2070 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2071 in <module> 
    2072 from ._surface import subdivide_triangles, vertex_areas 
    2073 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2074 directory 
    2075  
    2076 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2077 directory 
    2078  
    2079 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2080 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2081 in 
    2082 from ._surface import subdivide_triangles, vertex_areas 
    2083  
    2084 See log for complete Python traceback. 
    2085  
    2086 Traceback (most recent call last): 
    2087 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2088 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2089 in _redraw_timer_callback 
    2090 drew = self.draw_new_frame() 
    2091 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2092 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2093 draw_new_frame 
    2094 from chimerax import surface 
    2095 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2096 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2097 in <module> 
    2098 from ._surface import subdivide_triangles, vertex_areas 
    2099 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2100 directory 
    2101  
    2102 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2103 directory 
    2104  
    2105 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2106 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2107 in 
    2108 from ._surface import subdivide_triangles, vertex_areas 
    2109  
    2110 See log for complete Python traceback. 
    2111  
    2112 Traceback (most recent call last): 
    2113 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2114 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2115 in _redraw_timer_callback 
    2116 drew = self.draw_new_frame() 
    2117 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2118 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2119 draw_new_frame 
    2120 from chimerax import surface 
    2121 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2122 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2123 in <module> 
    2124 from ._surface import subdivide_triangles, vertex_areas 
    2125 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2126 directory 
    2127  
    2128 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2129 directory 
    2130  
    2131 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2132 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2133 in 
    2134 from ._surface import subdivide_triangles, vertex_areas 
    2135  
    2136 See log for complete Python traceback. 
    2137  
    2138 Traceback (most recent call last): 
    2139 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2140 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2141 in _redraw_timer_callback 
    2142 drew = self.draw_new_frame() 
    2143 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2144 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2145 draw_new_frame 
    2146 from chimerax import surface 
    2147 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2148 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2149 in <module> 
    2150 from ._surface import subdivide_triangles, vertex_areas 
    2151 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2152 directory 
    2153  
    2154 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2155 directory 
    2156  
    2157 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2158 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2159 in 
    2160 from ._surface import subdivide_triangles, vertex_areas 
    2161  
    2162 See log for complete Python traceback. 
    2163  
    2164 Traceback (most recent call last): 
    2165 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2166 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2167 in _redraw_timer_callback 
    2168 drew = self.draw_new_frame() 
    2169 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2170 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2171 draw_new_frame 
    2172 from chimerax import surface 
    2173 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2174 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2175 in <module> 
    2176 from ._surface import subdivide_triangles, vertex_areas 
    2177 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2178 directory 
    2179  
    2180 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2181 directory 
    2182  
    2183 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2184 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2185 in 
    2186 from ._surface import subdivide_triangles, vertex_areas 
    2187  
    2188 See log for complete Python traceback. 
    2189  
    2190 Traceback (most recent call last): 
    2191 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2192 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2193 in _redraw_timer_callback 
    2194 drew = self.draw_new_frame() 
    2195 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2196 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2197 draw_new_frame 
    2198 from chimerax import surface 
    2199 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2200 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2201 in <module> 
    2202 from ._surface import subdivide_triangles, vertex_areas 
    2203 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2204 directory 
    2205  
    2206 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2207 directory 
    2208  
    2209 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2210 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2211 in 
    2212 from ._surface import subdivide_triangles, vertex_areas 
    2213  
    2214 See log for complete Python traceback. 
    2215  
    2216 Traceback (most recent call last): 
    2217 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2218 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2219 in _redraw_timer_callback 
    2220 drew = self.draw_new_frame() 
    2221 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2222 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2223 draw_new_frame 
    2224 from chimerax import surface 
    2225 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2226 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2227 in <module> 
    2228 from ._surface import subdivide_triangles, vertex_areas 
    2229 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2230 directory 
    2231  
    2232 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2233 directory 
    2234  
    2235 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2236 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2237 in 
    2238 from ._surface import subdivide_triangles, vertex_areas 
    2239  
    2240 See log for complete Python traceback. 
    2241  
    2242 Traceback (most recent call last): 
    2243 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2244 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2245 in _redraw_timer_callback 
    2246 drew = self.draw_new_frame() 
    2247 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2248 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2249 draw_new_frame 
    2250 from chimerax import surface 
    2251 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2252 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2253 in <module> 
    2254 from ._surface import subdivide_triangles, vertex_areas 
    2255 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2256 directory 
    2257  
    2258 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2259 directory 
    2260  
    2261 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2262 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2263 in 
    2264 from ._surface import subdivide_triangles, vertex_areas 
    2265  
    2266 See log for complete Python traceback. 
    2267  
    2268 Traceback (most recent call last): 
    2269 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2270 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2271 in _redraw_timer_callback 
    2272 drew = self.draw_new_frame() 
    2273 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2274 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2275 draw_new_frame 
    2276 from chimerax import surface 
    2277 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2278 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2279 in <module> 
    2280 from ._surface import subdivide_triangles, vertex_areas 
    2281 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2282 directory 
    2283  
    2284 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2285 directory 
    2286  
    2287 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2288 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2289 in 
    2290 from ._surface import subdivide_triangles, vertex_areas 
    2291  
    2292 See log for complete Python traceback. 
    2293  
    2294 Traceback (most recent call last): 
    2295 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2296 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2297 in _redraw_timer_callback 
    2298 drew = self.draw_new_frame() 
    2299 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2300 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2301 draw_new_frame 
    2302 from chimerax import surface 
    2303 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2304 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2305 in <module> 
    2306 from ._surface import subdivide_triangles, vertex_areas 
    2307 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2308 directory 
    2309  
    2310 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2311 directory 
    2312  
    2313 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2314 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2315 in 
    2316 from ._surface import subdivide_triangles, vertex_areas 
    2317  
    2318 See log for complete Python traceback. 
    2319  
    2320 Traceback (most recent call last): 
    2321 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2322 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2323 in _redraw_timer_callback 
    2324 drew = self.draw_new_frame() 
    2325 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2326 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2327 draw_new_frame 
    2328 from chimerax import surface 
    2329 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2330 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2331 in <module> 
    2332 from ._surface import subdivide_triangles, vertex_areas 
    2333 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2334 directory 
    2335  
    2336 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2337 directory 
    2338  
    2339 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2340 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2341 in 
    2342 from ._surface import subdivide_triangles, vertex_areas 
    2343  
    2344 See log for complete Python traceback. 
    2345  
    2346 Traceback (most recent call last): 
    2347 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2348 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2349 in _redraw_timer_callback 
    2350 drew = self.draw_new_frame() 
    2351 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2352 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2353 draw_new_frame 
    2354 from chimerax import surface 
    2355 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2356 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2357 in <module> 
    2358 from ._surface import subdivide_triangles, vertex_areas 
    2359 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2360 directory 
    2361  
    2362 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2363 directory 
    2364  
    2365 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2366 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2367 in 
    2368 from ._surface import subdivide_triangles, vertex_areas 
    2369  
    2370 See log for complete Python traceback. 
    2371  
    2372 Traceback (most recent call last): 
    2373 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2374 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2375 in _redraw_timer_callback 
    2376 drew = self.draw_new_frame() 
    2377 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2378 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2379 draw_new_frame 
    2380 from chimerax import surface 
    2381 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2382 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2383 in <module> 
    2384 from ._surface import subdivide_triangles, vertex_areas 
    2385 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2386 directory 
    2387  
    2388 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2389 directory 
    2390  
    2391 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2392 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2393 in 
    2394 from ._surface import subdivide_triangles, vertex_areas 
    2395  
    2396 See log for complete Python traceback. 
    2397  
    2398 Traceback (most recent call last): 
    2399 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2400 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2401 in _redraw_timer_callback 
    2402 drew = self.draw_new_frame() 
    2403 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2404 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2405 draw_new_frame 
    2406 from chimerax import surface 
    2407 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2408 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2409 in <module> 
    2410 from ._surface import subdivide_triangles, vertex_areas 
    2411 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2412 directory 
    2413  
    2414 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2415 directory 
    2416  
    2417 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2418 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2419 in 
    2420 from ._surface import subdivide_triangles, vertex_areas 
    2421  
    2422 See log for complete Python traceback. 
    2423  
    2424 Traceback (most recent call last): 
    2425 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2426 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2427 in _redraw_timer_callback 
    2428 drew = self.draw_new_frame() 
    2429 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2430 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2431 draw_new_frame 
    2432 from chimerax import surface 
    2433 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2434 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2435 in <module> 
    2436 from ._surface import subdivide_triangles, vertex_areas 
    2437 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2438 directory 
    2439  
    2440 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2441 directory 
    2442  
    2443 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2444 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2445 in 
    2446 from ._surface import subdivide_triangles, vertex_areas 
    2447  
    2448 See log for complete Python traceback. 
    2449  
    2450 Traceback (most recent call last): 
    2451 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2452 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2453 in _redraw_timer_callback 
    2454 drew = self.draw_new_frame() 
    2455 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2456 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2457 draw_new_frame 
    2458 from chimerax import surface 
    2459 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2460 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2461 in <module> 
    2462 from ._surface import subdivide_triangles, vertex_areas 
    2463 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2464 directory 
    2465  
    2466 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2467 directory 
    2468  
    2469 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2470 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2471 in 
    2472 from ._surface import subdivide_triangles, vertex_areas 
    2473  
    2474 See log for complete Python traceback. 
    2475  
    2476 Traceback (most recent call last): 
    2477 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2478 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2479 in _redraw_timer_callback 
    2480 drew = self.draw_new_frame() 
    2481 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2482 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2483 draw_new_frame 
    2484 from chimerax import surface 
    2485 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2486 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2487 in <module> 
    2488 from ._surface import subdivide_triangles, vertex_areas 
    2489 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2490 directory 
    2491  
    2492 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2493 directory 
    2494  
    2495 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2496 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2497 in 
    2498 from ._surface import subdivide_triangles, vertex_areas 
    2499  
    2500 See log for complete Python traceback. 
    2501  
    2502 Traceback (most recent call last): 
    2503 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2504 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2505 in _redraw_timer_callback 
    2506 drew = self.draw_new_frame() 
    2507 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2508 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2509 draw_new_frame 
    2510 from chimerax import surface 
    2511 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2512 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2513 in <module> 
    2514 from ._surface import subdivide_triangles, vertex_areas 
    2515 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2516 directory 
    2517  
    2518 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2519 directory 
    2520  
    2521 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2522 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2523 in 
    2524 from ._surface import subdivide_triangles, vertex_areas 
    2525  
    2526 See log for complete Python traceback. 
    2527  
    2528 Traceback (most recent call last): 
    2529 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2530 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2531 in _redraw_timer_callback 
    2532 drew = self.draw_new_frame() 
    2533 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2534 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2535 draw_new_frame 
    2536 from chimerax import surface 
    2537 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2538 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2539 in <module> 
    2540 from ._surface import subdivide_triangles, vertex_areas 
    2541 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2542 directory 
    2543  
    2544 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2545 directory 
    2546  
    2547 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2548 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2549 in 
    2550 from ._surface import subdivide_triangles, vertex_areas 
    2551  
    2552 See log for complete Python traceback. 
    2553  
    2554 Traceback (most recent call last): 
    2555 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2556 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2557 in _redraw_timer_callback 
    2558 drew = self.draw_new_frame() 
    2559 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2560 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2561 draw_new_frame 
    2562 from chimerax import surface 
    2563 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2564 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2565 in <module> 
    2566 from ._surface import subdivide_triangles, vertex_areas 
    2567 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2568 directory 
    2569  
    2570 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2571 directory 
    2572  
    2573 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2574 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2575 in 
    2576 from ._surface import subdivide_triangles, vertex_areas 
    2577  
    2578 See log for complete Python traceback. 
    2579  
    2580 Traceback (most recent call last): 
    2581 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2582 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2583 in _redraw_timer_callback 
    2584 drew = self.draw_new_frame() 
    2585 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2586 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2587 draw_new_frame 
    2588 from chimerax import surface 
    2589 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2590 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2591 in <module> 
    2592 from ._surface import subdivide_triangles, vertex_areas 
    2593 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2594 directory 
    2595  
    2596 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2597 directory 
    2598  
    2599 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2600 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2601 in 
    2602 from ._surface import subdivide_triangles, vertex_areas 
    2603  
    2604 See log for complete Python traceback. 
    2605  
    2606 Traceback (most recent call last): 
    2607 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2608 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2609 in _redraw_timer_callback 
    2610 drew = self.draw_new_frame() 
    2611 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2612 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2613 draw_new_frame 
    2614 from chimerax import surface 
    2615 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2616 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2617 in <module> 
    2618 from ._surface import subdivide_triangles, vertex_areas 
    2619 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2620 directory 
    2621  
    2622 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2623 directory 
    2624  
    2625 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2626 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2627 in 
    2628 from ._surface import subdivide_triangles, vertex_areas 
    2629  
    2630 See log for complete Python traceback. 
    2631  
    2632 Traceback (most recent call last): 
    2633 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2634 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2635 in _redraw_timer_callback 
    2636 drew = self.draw_new_frame() 
    2637 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2638 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2639 draw_new_frame 
    2640 from chimerax import surface 
    2641 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2642 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2643 in <module> 
    2644 from ._surface import subdivide_triangles, vertex_areas 
    2645 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2646 directory 
    2647  
    2648 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2649 directory 
    2650  
    2651 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2652 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2653 in 
    2654 from ._surface import subdivide_triangles, vertex_areas 
    2655  
    2656 See log for complete Python traceback. 
    2657  
    2658 Traceback (most recent call last): 
    2659 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2660 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2661 in _redraw_timer_callback 
    2662 drew = self.draw_new_frame() 
    2663 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2664 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2665 draw_new_frame 
    2666 from chimerax import surface 
    2667 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2668 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2669 in <module> 
    2670 from ._surface import subdivide_triangles, vertex_areas 
    2671 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2672 directory 
    2673  
    2674 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2675 directory 
    2676  
    2677 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2678 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2679 in 
    2680 from ._surface import subdivide_triangles, vertex_areas 
    2681  
    2682 See log for complete Python traceback. 
    2683  
    2684 Traceback (most recent call last): 
    2685 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2686 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2687 in _redraw_timer_callback 
    2688 drew = self.draw_new_frame() 
    2689 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2690 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2691 draw_new_frame 
    2692 from chimerax import surface 
    2693 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2694 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2695 in <module> 
    2696 from ._surface import subdivide_triangles, vertex_areas 
    2697 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2698 directory 
    2699  
    2700 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2701 directory 
    2702  
    2703 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2704 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2705 in 
    2706 from ._surface import subdivide_triangles, vertex_areas 
    2707  
    2708 See log for complete Python traceback. 
    2709  
    2710 Traceback (most recent call last): 
    2711 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2712 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2713 in _redraw_timer_callback 
    2714 drew = self.draw_new_frame() 
    2715 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2716 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2717 draw_new_frame 
    2718 from chimerax import surface 
    2719 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2720 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2721 in <module> 
    2722 from ._surface import subdivide_triangles, vertex_areas 
    2723 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2724 directory 
    2725  
    2726 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2727 directory 
    2728  
    2729 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2730 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2731 in 
    2732 from ._surface import subdivide_triangles, vertex_areas 
    2733  
    2734 See log for complete Python traceback. 
    2735  
    2736 Traceback (most recent call last): 
    2737 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2738 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2739 in _redraw_timer_callback 
    2740 drew = self.draw_new_frame() 
    2741 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2742 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2743 draw_new_frame 
    2744 from chimerax import surface 
    2745 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2746 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2747 in <module> 
    2748 from ._surface import subdivide_triangles, vertex_areas 
    2749 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2750 directory 
    2751  
    2752 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2753 directory 
    2754  
    2755 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2756 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2757 in 
    2758 from ._surface import subdivide_triangles, vertex_areas 
    2759  
    2760 See log for complete Python traceback. 
    2761  
    2762 Traceback (most recent call last): 
    2763 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2764 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2765 in _redraw_timer_callback 
    2766 drew = self.draw_new_frame() 
    2767 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2768 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2769 draw_new_frame 
    2770 from chimerax import surface 
    2771 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2772 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2773 in <module> 
    2774 from ._surface import subdivide_triangles, vertex_areas 
    2775 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2776 directory 
    2777  
    2778 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2779 directory 
    2780  
    2781 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2782 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2783 in 
    2784 from ._surface import subdivide_triangles, vertex_areas 
    2785  
    2786 See log for complete Python traceback. 
    2787  
    2788 Traceback (most recent call last): 
    2789 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2790 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2791 in _redraw_timer_callback 
    2792 drew = self.draw_new_frame() 
    2793 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2794 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2795 draw_new_frame 
    2796 from chimerax import surface 
    2797 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2798 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2799 in <module> 
    2800 from ._surface import subdivide_triangles, vertex_areas 
    2801 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2802 directory 
    2803  
    2804 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2805 directory 
    2806  
    2807 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2808 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2809 in 
    2810 from ._surface import subdivide_triangles, vertex_areas 
    2811  
    2812 See log for complete Python traceback. 
    2813  
    2814 Traceback (most recent call last): 
    2815 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2816 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2817 in _redraw_timer_callback 
    2818 drew = self.draw_new_frame() 
    2819 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2820 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2821 draw_new_frame 
    2822 from chimerax import surface 
    2823 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2824 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2825 in <module> 
    2826 from ._surface import subdivide_triangles, vertex_areas 
    2827 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2828 directory 
    2829  
    2830 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2831 directory 
    2832  
    2833 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2834 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2835 in 
    2836 from ._surface import subdivide_triangles, vertex_areas 
    2837  
    2838 See log for complete Python traceback. 
    2839  
    2840 Traceback (most recent call last): 
    2841 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2842 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2843 in _redraw_timer_callback 
    2844 drew = self.draw_new_frame() 
    2845 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2846 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2847 draw_new_frame 
    2848 from chimerax import surface 
    2849 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2850 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2851 in <module> 
    2852 from ._surface import subdivide_triangles, vertex_areas 
    2853 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2854 directory 
    2855  
    2856 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2857 directory 
    2858  
    2859 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2860 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2861 in 
    2862 from ._surface import subdivide_triangles, vertex_areas 
    2863  
    2864 See log for complete Python traceback. 
    2865  
    2866 Traceback (most recent call last): 
    2867 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2868 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2869 in _redraw_timer_callback 
    2870 drew = self.draw_new_frame() 
    2871 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2872 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2873 draw_new_frame 
    2874 from chimerax import surface 
    2875 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2876 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2877 in <module> 
    2878 from ._surface import subdivide_triangles, vertex_areas 
    2879 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2880 directory 
    2881  
    2882 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2883 directory 
    2884  
    2885 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2886 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2887 in 
    2888 from ._surface import subdivide_triangles, vertex_areas 
    2889  
    2890 See log for complete Python traceback. 
    2891  
    2892 Traceback (most recent call last): 
    2893 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2894 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2895 in _redraw_timer_callback 
    2896 drew = self.draw_new_frame() 
    2897 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2898 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2899 draw_new_frame 
    2900 from chimerax import surface 
    2901 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2902 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2903 in <module> 
    2904 from ._surface import subdivide_triangles, vertex_areas 
    2905 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2906 directory 
    2907  
    2908 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2909 directory 
    2910  
    2911 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2912 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2913 in 
    2914 from ._surface import subdivide_triangles, vertex_areas 
    2915  
    2916 See log for complete Python traceback. 
    2917  
    2918 Traceback (most recent call last): 
    2919 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2920 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2921 in _redraw_timer_callback 
    2922 drew = self.draw_new_frame() 
    2923 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2924 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2925 draw_new_frame 
    2926 from chimerax import surface 
    2927 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2928 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2929 in <module> 
    2930 from ._surface import subdivide_triangles, vertex_areas 
    2931 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2932 directory 
    2933  
    2934 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2935 directory 
    2936  
    2937 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2938 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2939 in 
    2940 from ._surface import subdivide_triangles, vertex_areas 
    2941  
    2942 See log for complete Python traceback. 
    2943  
    2944 Traceback (most recent call last): 
    2945 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2946 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2947 in _redraw_timer_callback 
    2948 drew = self.draw_new_frame() 
    2949 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2950 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2951 draw_new_frame 
    2952 from chimerax import surface 
    2953 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2954 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2955 in <module> 
    2956 from ._surface import subdivide_triangles, vertex_areas 
    2957 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2958 directory 
    2959  
    2960 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2961 directory 
    2962  
    2963 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2964 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2965 in 
    2966 from ._surface import subdivide_triangles, vertex_areas 
    2967  
    2968 See log for complete Python traceback. 
    2969  
    2970 Traceback (most recent call last): 
    2971 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2972 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2973 in _redraw_timer_callback 
    2974 drew = self.draw_new_frame() 
    2975 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2976 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    2977 draw_new_frame 
    2978 from chimerax import surface 
    2979 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2980 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2981 in <module> 
    2982 from ._surface import subdivide_triangles, vertex_areas 
    2983 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2984 directory 
    2985  
    2986 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    2987 directory 
    2988  
    2989 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2990 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    2991 in 
    2992 from ._surface import subdivide_triangles, vertex_areas 
    2993  
    2994 See log for complete Python traceback. 
    2995  
    2996 Traceback (most recent call last): 
    2997 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    2998 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    2999 in _redraw_timer_callback 
    3000 drew = self.draw_new_frame() 
    3001 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3002 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3003 draw_new_frame 
    3004 from chimerax import surface 
    3005 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3006 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3007 in <module> 
    3008 from ._surface import subdivide_triangles, vertex_areas 
    3009 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3010 directory 
    3011  
    3012 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3013 directory 
    3014  
    3015 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3016 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3017 in 
    3018 from ._surface import subdivide_triangles, vertex_areas 
    3019  
    3020 See log for complete Python traceback. 
    3021  
    3022 Traceback (most recent call last): 
    3023 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3024 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3025 in _redraw_timer_callback 
    3026 drew = self.draw_new_frame() 
    3027 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3028 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3029 draw_new_frame 
    3030 from chimerax import surface 
    3031 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3032 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3033 in <module> 
    3034 from ._surface import subdivide_triangles, vertex_areas 
    3035 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3036 directory 
    3037  
    3038 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3039 directory 
    3040  
    3041 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3042 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3043 in 
    3044 from ._surface import subdivide_triangles, vertex_areas 
    3045  
    3046 See log for complete Python traceback. 
    3047  
    3048 Traceback (most recent call last): 
    3049 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3050 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3051 in _redraw_timer_callback 
    3052 drew = self.draw_new_frame() 
    3053 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3054 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3055 draw_new_frame 
    3056 from chimerax import surface 
    3057 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3058 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3059 in <module> 
    3060 from ._surface import subdivide_triangles, vertex_areas 
    3061 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3062 directory 
    3063  
    3064 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3065 directory 
    3066  
    3067 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3068 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3069 in 
    3070 from ._surface import subdivide_triangles, vertex_areas 
    3071  
    3072 See log for complete Python traceback. 
    3073  
    3074 Traceback (most recent call last): 
    3075 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3076 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3077 in _redraw_timer_callback 
    3078 drew = self.draw_new_frame() 
    3079 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3080 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3081 draw_new_frame 
    3082 from chimerax import surface 
    3083 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3084 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3085 in <module> 
    3086 from ._surface import subdivide_triangles, vertex_areas 
    3087 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3088 directory 
    3089  
    3090 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3091 directory 
    3092  
    3093 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3094 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3095 in 
    3096 from ._surface import subdivide_triangles, vertex_areas 
    3097  
    3098 See log for complete Python traceback. 
    3099  
    3100 Traceback (most recent call last): 
    3101 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3102 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3103 in _redraw_timer_callback 
    3104 drew = self.draw_new_frame() 
    3105 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3106 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3107 draw_new_frame 
    3108 from chimerax import surface 
    3109 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3110 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3111 in <module> 
    3112 from ._surface import subdivide_triangles, vertex_areas 
    3113 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3114 directory 
    3115  
    3116 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3117 directory 
    3118  
    3119 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3120 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3121 in 
    3122 from ._surface import subdivide_triangles, vertex_areas 
    3123  
    3124 See log for complete Python traceback. 
    3125  
    3126 Traceback (most recent call last): 
    3127 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3128 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3129 in _redraw_timer_callback 
    3130 drew = self.draw_new_frame() 
    3131 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3132 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3133 draw_new_frame 
    3134 from chimerax import surface 
    3135 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3136 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3137 in <module> 
    3138 from ._surface import subdivide_triangles, vertex_areas 
    3139 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3140 directory 
    3141  
    3142 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3143 directory 
    3144  
    3145 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3146 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3147 in 
    3148 from ._surface import subdivide_triangles, vertex_areas 
    3149  
    3150 See log for complete Python traceback. 
    3151  
    3152 Traceback (most recent call last): 
    3153 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3154 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3155 in _redraw_timer_callback 
    3156 drew = self.draw_new_frame() 
    3157 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3158 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3159 draw_new_frame 
    3160 from chimerax import surface 
    3161 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3162 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3163 in <module> 
    3164 from ._surface import subdivide_triangles, vertex_areas 
    3165 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3166 directory 
    3167  
    3168 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3169 directory 
    3170  
    3171 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3172 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3173 in 
    3174 from ._surface import subdivide_triangles, vertex_areas 
    3175  
    3176 See log for complete Python traceback. 
    3177  
    3178 Traceback (most recent call last): 
    3179 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3180 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3181 in _redraw_timer_callback 
    3182 drew = self.draw_new_frame() 
    3183 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3184 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3185 draw_new_frame 
    3186 from chimerax import surface 
    3187 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3188 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3189 in <module> 
    3190 from ._surface import subdivide_triangles, vertex_areas 
    3191 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3192 directory 
    3193  
    3194 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3195 directory 
    3196  
    3197 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3198 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3199 in 
    3200 from ._surface import subdivide_triangles, vertex_areas 
    3201  
    3202 See log for complete Python traceback. 
    3203  
    3204 Traceback (most recent call last): 
    3205 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3206 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3207 in _redraw_timer_callback 
    3208 drew = self.draw_new_frame() 
    3209 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3210 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3211 draw_new_frame 
    3212 from chimerax import surface 
    3213 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3214 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3215 in <module> 
    3216 from ._surface import subdivide_triangles, vertex_areas 
    3217 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3218 directory 
    3219  
    3220 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3221 directory 
    3222  
    3223 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3224 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3225 in 
    3226 from ._surface import subdivide_triangles, vertex_areas 
    3227  
    3228 See log for complete Python traceback. 
    3229  
    3230 Traceback (most recent call last): 
    3231 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3232 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3233 in _redraw_timer_callback 
    3234 drew = self.draw_new_frame() 
    3235 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3236 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3237 draw_new_frame 
    3238 from chimerax import surface 
    3239 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3240 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3241 in <module> 
    3242 from ._surface import subdivide_triangles, vertex_areas 
    3243 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3244 directory 
    3245  
    3246 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3247 directory 
    3248  
    3249 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3250 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3251 in 
    3252 from ._surface import subdivide_triangles, vertex_areas 
    3253  
    3254 See log for complete Python traceback. 
    3255  
    3256 Traceback (most recent call last): 
    3257 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3258 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3259 in _redraw_timer_callback 
    3260 drew = self.draw_new_frame() 
    3261 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3262 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3263 draw_new_frame 
    3264 from chimerax import surface 
    3265 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3266 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3267 in <module> 
    3268 from ._surface import subdivide_triangles, vertex_areas 
    3269 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3270 directory 
    3271  
    3272 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3273 directory 
    3274  
    3275 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3276 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3277 in 
    3278 from ._surface import subdivide_triangles, vertex_areas 
    3279  
    3280 See log for complete Python traceback. 
    3281  
    3282 Traceback (most recent call last): 
    3283 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3284 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3285 in _redraw_timer_callback 
    3286 drew = self.draw_new_frame() 
    3287 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3288 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3289 draw_new_frame 
    3290 from chimerax import surface 
    3291 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3292 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3293 in <module> 
    3294 from ._surface import subdivide_triangles, vertex_areas 
    3295 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3296 directory 
    3297  
    3298 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3299 directory 
    3300  
    3301 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3302 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3303 in 
    3304 from ._surface import subdivide_triangles, vertex_areas 
    3305  
    3306 See log for complete Python traceback. 
    3307  
    3308 Traceback (most recent call last): 
    3309 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3310 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3311 in _redraw_timer_callback 
    3312 drew = self.draw_new_frame() 
    3313 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3314 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3315 draw_new_frame 
    3316 from chimerax import surface 
    3317 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3318 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3319 in <module> 
    3320 from ._surface import subdivide_triangles, vertex_areas 
    3321 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3322 directory 
    3323  
    3324 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3325 directory 
    3326  
    3327 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3328 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3329 in 
    3330 from ._surface import subdivide_triangles, vertex_areas 
    3331  
    3332 See log for complete Python traceback. 
    3333  
    3334 Traceback (most recent call last): 
    3335 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3336 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3337 in _redraw_timer_callback 
    3338 drew = self.draw_new_frame() 
    3339 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3340 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3341 draw_new_frame 
    3342 from chimerax import surface 
    3343 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3344 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3345 in <module> 
    3346 from ._surface import subdivide_triangles, vertex_areas 
    3347 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3348 directory 
    3349  
    3350 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3351 directory 
    3352  
    3353 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3354 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3355 in 
    3356 from ._surface import subdivide_triangles, vertex_areas 
    3357  
    3358 See log for complete Python traceback. 
    3359  
    3360 Traceback (most recent call last): 
    3361 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3362 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3363 in _redraw_timer_callback 
    3364 drew = self.draw_new_frame() 
    3365 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3366 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3367 draw_new_frame 
    3368 from chimerax import surface 
    3369 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3370 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3371 in <module> 
    3372 from ._surface import subdivide_triangles, vertex_areas 
    3373 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3374 directory 
    3375  
    3376 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3377 directory 
    3378  
    3379 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3380 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3381 in 
    3382 from ._surface import subdivide_triangles, vertex_areas 
    3383  
    3384 See log for complete Python traceback. 
    3385  
    3386 Traceback (most recent call last): 
    3387 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3388 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3389 in _redraw_timer_callback 
    3390 drew = self.draw_new_frame() 
    3391 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3392 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3393 draw_new_frame 
    3394 from chimerax import surface 
    3395 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3396 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3397 in <module> 
    3398 from ._surface import subdivide_triangles, vertex_areas 
    3399 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3400 directory 
    3401  
    3402 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3403 directory 
    3404  
    3405 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3406 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3407 in 
    3408 from ._surface import subdivide_triangles, vertex_areas 
    3409  
    3410 See log for complete Python traceback. 
    3411  
    3412 Traceback (most recent call last): 
    3413 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3414 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3415 in _redraw_timer_callback 
    3416 drew = self.draw_new_frame() 
    3417 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3418 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3419 draw_new_frame 
    3420 from chimerax import surface 
    3421 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3422 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3423 in <module> 
    3424 from ._surface import subdivide_triangles, vertex_areas 
    3425 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3426 directory 
    3427  
    3428 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3429 directory 
    3430  
    3431 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3432 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3433 in 
    3434 from ._surface import subdivide_triangles, vertex_areas 
    3435  
    3436 See log for complete Python traceback. 
    3437  
    3438 Traceback (most recent call last): 
    3439 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3440 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3441 in _redraw_timer_callback 
    3442 drew = self.draw_new_frame() 
    3443 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3444 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3445 draw_new_frame 
    3446 from chimerax import surface 
    3447 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3448 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3449 in <module> 
    3450 from ._surface import subdivide_triangles, vertex_areas 
    3451 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3452 directory 
    3453  
    3454 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3455 directory 
    3456  
    3457 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3458 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3459 in 
    3460 from ._surface import subdivide_triangles, vertex_areas 
    3461  
    3462 See log for complete Python traceback. 
    3463  
    3464 Traceback (most recent call last): 
    3465 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3466 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3467 in _redraw_timer_callback 
    3468 drew = self.draw_new_frame() 
    3469 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3470 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3471 draw_new_frame 
    3472 from chimerax import surface 
    3473 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3474 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3475 in <module> 
    3476 from ._surface import subdivide_triangles, vertex_areas 
    3477 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3478 directory 
    3479  
    3480 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3481 directory 
    3482  
    3483 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3484 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3485 in 
    3486 from ._surface import subdivide_triangles, vertex_areas 
    3487  
    3488 See log for complete Python traceback. 
    3489  
    3490 Traceback (most recent call last): 
    3491 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3492 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3493 in _redraw_timer_callback 
    3494 drew = self.draw_new_frame() 
    3495 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3496 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3497 draw_new_frame 
    3498 from chimerax import surface 
    3499 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3500 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3501 in <module> 
    3502 from ._surface import subdivide_triangles, vertex_areas 
    3503 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3504 directory 
    3505  
    3506 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3507 directory 
    3508  
    3509 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3510 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3511 in 
    3512 from ._surface import subdivide_triangles, vertex_areas 
    3513  
    3514 See log for complete Python traceback. 
    3515  
    3516 Traceback (most recent call last): 
    3517 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3518 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3519 in _redraw_timer_callback 
    3520 drew = self.draw_new_frame() 
    3521 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3522 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3523 draw_new_frame 
    3524 from chimerax import surface 
    3525 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3526 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3527 in <module> 
    3528 from ._surface import subdivide_triangles, vertex_areas 
    3529 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3530 directory 
    3531  
    3532 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3533 directory 
    3534  
    3535 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3536 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3537 in 
    3538 from ._surface import subdivide_triangles, vertex_areas 
    3539  
    3540 See log for complete Python traceback. 
    3541  
    3542 Traceback (most recent call last): 
    3543 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3544 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3545 in _redraw_timer_callback 
    3546 drew = self.draw_new_frame() 
    3547 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3548 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3549 draw_new_frame 
    3550 from chimerax import surface 
    3551 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3552 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3553 in <module> 
    3554 from ._surface import subdivide_triangles, vertex_areas 
    3555 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3556 directory 
    3557  
    3558 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3559 directory 
    3560  
    3561 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3562 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3563 in 
    3564 from ._surface import subdivide_triangles, vertex_areas 
    3565  
    3566 See log for complete Python traceback. 
    3567  
    3568 Traceback (most recent call last): 
    3569 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3570 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3571 in _redraw_timer_callback 
    3572 drew = self.draw_new_frame() 
    3573 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3574 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3575 draw_new_frame 
    3576 from chimerax import surface 
    3577 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3578 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3579 in <module> 
    3580 from ._surface import subdivide_triangles, vertex_areas 
    3581 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3582 directory 
    3583  
    3584 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3585 directory 
    3586  
    3587 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3588 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3589 in 
    3590 from ._surface import subdivide_triangles, vertex_areas 
    3591  
    3592 See log for complete Python traceback. 
    3593  
    3594 Traceback (most recent call last): 
    3595 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3596 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3597 in _redraw_timer_callback 
    3598 drew = self.draw_new_frame() 
    3599 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3600 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3601 draw_new_frame 
    3602 from chimerax import surface 
    3603 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3604 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3605 in <module> 
    3606 from ._surface import subdivide_triangles, vertex_areas 
    3607 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3608 directory 
    3609  
    3610 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3611 directory 
    3612  
    3613 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3614 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3615 in 
    3616 from ._surface import subdivide_triangles, vertex_areas 
    3617  
    3618 See log for complete Python traceback. 
    3619  
    3620 Traceback (most recent call last): 
    3621 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3622 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3623 in _redraw_timer_callback 
    3624 drew = self.draw_new_frame() 
    3625 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3626 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3627 draw_new_frame 
    3628 from chimerax import surface 
    3629 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3630 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3631 in <module> 
    3632 from ._surface import subdivide_triangles, vertex_areas 
    3633 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3634 directory 
    3635  
    3636 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3637 directory 
    3638  
    3639 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3640 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3641 in 
    3642 from ._surface import subdivide_triangles, vertex_areas 
    3643  
    3644 See log for complete Python traceback. 
    3645  
    3646 Traceback (most recent call last): 
    3647 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3648 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3649 in _redraw_timer_callback 
    3650 drew = self.draw_new_frame() 
    3651 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3652 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3653 draw_new_frame 
    3654 from chimerax import surface 
    3655 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3656 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3657 in <module> 
    3658 from ._surface import subdivide_triangles, vertex_areas 
    3659 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3660 directory 
    3661  
    3662 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3663 directory 
    3664  
    3665 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3666 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3667 in 
    3668 from ._surface import subdivide_triangles, vertex_areas 
    3669  
    3670 See log for complete Python traceback. 
    3671  
    3672 Traceback (most recent call last): 
    3673 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3674 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3675 in _redraw_timer_callback 
    3676 drew = self.draw_new_frame() 
    3677 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3678 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3679 draw_new_frame 
    3680 from chimerax import surface 
    3681 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3682 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3683 in <module> 
    3684 from ._surface import subdivide_triangles, vertex_areas 
    3685 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3686 directory 
    3687  
    3688 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3689 directory 
    3690  
    3691 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3692 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3693 in 
    3694 from ._surface import subdivide_triangles, vertex_areas 
    3695  
    3696 See log for complete Python traceback. 
    3697  
    3698 Traceback (most recent call last): 
    3699 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3700 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3701 in _redraw_timer_callback 
    3702 drew = self.draw_new_frame() 
    3703 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3704 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3705 draw_new_frame 
    3706 from chimerax import surface 
    3707 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3708 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3709 in <module> 
    3710 from ._surface import subdivide_triangles, vertex_areas 
    3711 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3712 directory 
    3713  
    3714 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3715 directory 
    3716  
    3717 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3718 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3719 in 
    3720 from ._surface import subdivide_triangles, vertex_areas 
    3721  
    3722 See log for complete Python traceback. 
    3723  
    3724 Traceback (most recent call last): 
    3725 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3726 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3727 in _redraw_timer_callback 
    3728 drew = self.draw_new_frame() 
    3729 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3730 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3731 draw_new_frame 
    3732 from chimerax import surface 
    3733 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3734 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3735 in <module> 
    3736 from ._surface import subdivide_triangles, vertex_areas 
    3737 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3738 directory 
    3739  
    3740 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3741 directory 
    3742  
    3743 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3744 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3745 in 
    3746 from ._surface import subdivide_triangles, vertex_areas 
    3747  
    3748 See log for complete Python traceback. 
    3749  
    3750 Traceback (most recent call last): 
    3751 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3752 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3753 in _redraw_timer_callback 
    3754 drew = self.draw_new_frame() 
    3755 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3756 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3757 draw_new_frame 
    3758 from chimerax import surface 
    3759 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3760 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3761 in <module> 
    3762 from ._surface import subdivide_triangles, vertex_areas 
    3763 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3764 directory 
    3765  
    3766 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3767 directory 
    3768  
    3769 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3770 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3771 in 
    3772 from ._surface import subdivide_triangles, vertex_areas 
    3773  
    3774 See log for complete Python traceback. 
    3775  
    3776 Traceback (most recent call last): 
    3777 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3778 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3779 in _redraw_timer_callback 
    3780 drew = self.draw_new_frame() 
    3781 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3782 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3783 draw_new_frame 
    3784 from chimerax import surface 
    3785 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3786 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3787 in <module> 
    3788 from ._surface import subdivide_triangles, vertex_areas 
    3789 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3790 directory 
    3791  
    3792 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3793 directory 
    3794  
    3795 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3796 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3797 in 
    3798 from ._surface import subdivide_triangles, vertex_areas 
    3799  
    3800 See log for complete Python traceback. 
    3801  
    3802 Traceback (most recent call last): 
    3803 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3804 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3805 in _redraw_timer_callback 
    3806 drew = self.draw_new_frame() 
    3807 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3808 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3809 draw_new_frame 
    3810 from chimerax import surface 
    3811 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3812 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3813 in <module> 
    3814 from ._surface import subdivide_triangles, vertex_areas 
    3815 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3816 directory 
    3817  
    3818 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3819 directory 
    3820  
    3821 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3822 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3823 in 
    3824 from ._surface import subdivide_triangles, vertex_areas 
    3825  
    3826 See log for complete Python traceback. 
    3827  
    3828 Traceback (most recent call last): 
    3829 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3830 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3831 in _redraw_timer_callback 
    3832 drew = self.draw_new_frame() 
    3833 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3834 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3835 draw_new_frame 
    3836 from chimerax import surface 
    3837 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3838 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3839 in <module> 
    3840 from ._surface import subdivide_triangles, vertex_areas 
    3841 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3842 directory 
    3843  
    3844 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3845 directory 
    3846  
    3847 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3848 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3849 in 
    3850 from ._surface import subdivide_triangles, vertex_areas 
    3851  
    3852 See log for complete Python traceback. 
    3853  
    3854 Traceback (most recent call last): 
    3855 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3856 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3857 in _redraw_timer_callback 
    3858 drew = self.draw_new_frame() 
    3859 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3860 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3861 draw_new_frame 
    3862 from chimerax import surface 
    3863 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3864 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3865 in <module> 
    3866 from ._surface import subdivide_triangles, vertex_areas 
    3867 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3868 directory 
    3869  
    3870 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3871 directory 
    3872  
    3873 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3874 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3875 in 
    3876 from ._surface import subdivide_triangles, vertex_areas 
    3877  
    3878 See log for complete Python traceback. 
    3879  
    3880 Traceback (most recent call last): 
    3881 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3882 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3883 in _redraw_timer_callback 
    3884 drew = self.draw_new_frame() 
    3885 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3886 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3887 draw_new_frame 
    3888 from chimerax import surface 
    3889 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3890 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3891 in <module> 
    3892 from ._surface import subdivide_triangles, vertex_areas 
    3893 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3894 directory 
    3895  
    3896 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3897 directory 
    3898  
    3899 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3900 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3901 in 
    3902 from ._surface import subdivide_triangles, vertex_areas 
    3903  
    3904 See log for complete Python traceback. 
    3905  
    3906 Traceback (most recent call last): 
    3907 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3908 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3909 in _redraw_timer_callback 
    3910 drew = self.draw_new_frame() 
    3911 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3912 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3913 draw_new_frame 
    3914 from chimerax import surface 
    3915 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3916 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3917 in <module> 
    3918 from ._surface import subdivide_triangles, vertex_areas 
    3919 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3920 directory 
    3921  
    3922 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3923 directory 
    3924  
    3925 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3926 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3927 in 
    3928 from ._surface import subdivide_triangles, vertex_areas 
    3929  
    3930 See log for complete Python traceback. 
    3931  
    3932 Traceback (most recent call last): 
    3933 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3934 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3935 in _redraw_timer_callback 
    3936 drew = self.draw_new_frame() 
    3937 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3938 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3939 draw_new_frame 
    3940 from chimerax import surface 
    3941 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3942 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3943 in <module> 
    3944 from ._surface import subdivide_triangles, vertex_areas 
    3945 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3946 directory 
    3947  
    3948 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3949 directory 
    3950  
    3951 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3952 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3953 in 
    3954 from ._surface import subdivide_triangles, vertex_areas 
    3955  
    3956 See log for complete Python traceback. 
    3957  
    3958 Traceback (most recent call last): 
    3959 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3960 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3961 in _redraw_timer_callback 
    3962 drew = self.draw_new_frame() 
    3963 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3964 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3965 draw_new_frame 
    3966 from chimerax import surface 
    3967 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3968 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3969 in <module> 
    3970 from ._surface import subdivide_triangles, vertex_areas 
    3971 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3972 directory 
    3973  
    3974 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3975 directory 
    3976  
    3977 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3978 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3979 in 
    3980 from ._surface import subdivide_triangles, vertex_areas 
    3981  
    3982 See log for complete Python traceback. 
    3983  
    3984 Traceback (most recent call last): 
    3985 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3986 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    3987 in _redraw_timer_callback 
    3988 drew = self.draw_new_frame() 
    3989 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3990 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    3991 draw_new_frame 
    3992 from chimerax import surface 
    3993 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    3994 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    3995 in <module> 
    3996 from ._surface import subdivide_triangles, vertex_areas 
    3997 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    3998 directory 
    3999  
    4000 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4001 directory 
    4002  
    4003 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4004 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4005 in 
    4006 from ._surface import subdivide_triangles, vertex_areas 
    4007  
    4008 See log for complete Python traceback. 
    4009  
    4010 Traceback (most recent call last): 
    4011 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4012 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4013 in _redraw_timer_callback 
    4014 drew = self.draw_new_frame() 
    4015 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4016 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4017 draw_new_frame 
    4018 from chimerax import surface 
    4019 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4020 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4021 in <module> 
    4022 from ._surface import subdivide_triangles, vertex_areas 
    4023 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4024 directory 
    4025  
    4026 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4027 directory 
    4028  
    4029 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4030 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4031 in 
    4032 from ._surface import subdivide_triangles, vertex_areas 
    4033  
    4034 See log for complete Python traceback. 
    4035  
    4036 Traceback (most recent call last): 
    4037 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4038 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4039 in _redraw_timer_callback 
    4040 drew = self.draw_new_frame() 
    4041 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4042 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4043 draw_new_frame 
    4044 from chimerax import surface 
    4045 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4046 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4047 in <module> 
    4048 from ._surface import subdivide_triangles, vertex_areas 
    4049 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4050 directory 
    4051  
    4052 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4053 directory 
    4054  
    4055 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4056 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4057 in 
    4058 from ._surface import subdivide_triangles, vertex_areas 
    4059  
    4060 See log for complete Python traceback. 
    4061  
    4062 Traceback (most recent call last): 
    4063 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4064 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4065 in _redraw_timer_callback 
    4066 drew = self.draw_new_frame() 
    4067 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4068 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4069 draw_new_frame 
    4070 from chimerax import surface 
    4071 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4072 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4073 in <module> 
    4074 from ._surface import subdivide_triangles, vertex_areas 
    4075 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4076 directory 
    4077  
    4078 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4079 directory 
    4080  
    4081 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4082 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4083 in 
    4084 from ._surface import subdivide_triangles, vertex_areas 
    4085  
    4086 See log for complete Python traceback. 
    4087  
    4088 Traceback (most recent call last): 
    4089 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4090 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4091 in _redraw_timer_callback 
    4092 drew = self.draw_new_frame() 
    4093 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4094 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4095 draw_new_frame 
    4096 from chimerax import surface 
    4097 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4098 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4099 in <module> 
    4100 from ._surface import subdivide_triangles, vertex_areas 
    4101 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4102 directory 
    4103  
    4104 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4105 directory 
    4106  
    4107 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4108 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4109 in 
    4110 from ._surface import subdivide_triangles, vertex_areas 
    4111  
    4112 See log for complete Python traceback. 
    4113  
    4114 Traceback (most recent call last): 
    4115 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4116 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4117 in _redraw_timer_callback 
    4118 drew = self.draw_new_frame() 
    4119 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4120 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4121 draw_new_frame 
    4122 from chimerax import surface 
    4123 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4124 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4125 in <module> 
    4126 from ._surface import subdivide_triangles, vertex_areas 
    4127 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4128 directory 
    4129  
    4130 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4131 directory 
    4132  
    4133 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4134 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4135 in 
    4136 from ._surface import subdivide_triangles, vertex_areas 
    4137  
    4138 See log for complete Python traceback. 
    4139  
    4140 Traceback (most recent call last): 
    4141 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4142 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4143 in _redraw_timer_callback 
    4144 drew = self.draw_new_frame() 
    4145 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4146 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4147 draw_new_frame 
    4148 from chimerax import surface 
    4149 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4150 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4151 in <module> 
    4152 from ._surface import subdivide_triangles, vertex_areas 
    4153 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4154 directory 
    4155  
    4156 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4157 directory 
    4158  
    4159 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4160 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4161 in 
    4162 from ._surface import subdivide_triangles, vertex_areas 
    4163  
    4164 See log for complete Python traceback. 
    4165  
    4166 Traceback (most recent call last): 
    4167 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4168 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4169 in _redraw_timer_callback 
    4170 drew = self.draw_new_frame() 
    4171 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4172 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4173 draw_new_frame 
    4174 from chimerax import surface 
    4175 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4176 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4177 in <module> 
    4178 from ._surface import subdivide_triangles, vertex_areas 
    4179 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4180 directory 
    4181  
    4182 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4183 directory 
    4184  
    4185 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4186 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4187 in 
    4188 from ._surface import subdivide_triangles, vertex_areas 
    4189  
    4190 See log for complete Python traceback. 
    4191  
    4192 Traceback (most recent call last): 
    4193 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4194 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4195 in _redraw_timer_callback 
    4196 drew = self.draw_new_frame() 
    4197 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4198 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4199 draw_new_frame 
    4200 from chimerax import surface 
    4201 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4202 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4203 in <module> 
    4204 from ._surface import subdivide_triangles, vertex_areas 
    4205 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4206 directory 
    4207  
    4208 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4209 directory 
    4210  
    4211 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4212 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4213 in 
    4214 from ._surface import subdivide_triangles, vertex_areas 
    4215  
    4216 See log for complete Python traceback. 
    4217  
    4218 Traceback (most recent call last): 
    4219 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4220 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4221 in _redraw_timer_callback 
    4222 drew = self.draw_new_frame() 
    4223 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4224 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4225 draw_new_frame 
    4226 from chimerax import surface 
    4227 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4228 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4229 in <module> 
    4230 from ._surface import subdivide_triangles, vertex_areas 
    4231 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4232 directory 
    4233  
    4234 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4235 directory 
    4236  
    4237 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4238 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4239 in 
    4240 from ._surface import subdivide_triangles, vertex_areas 
    4241  
    4242 See log for complete Python traceback. 
    4243  
    4244 Traceback (most recent call last): 
    4245 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4246 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4247 in _redraw_timer_callback 
    4248 drew = self.draw_new_frame() 
    4249 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4250 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4251 draw_new_frame 
    4252 from chimerax import surface 
    4253 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4254 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4255 in <module> 
    4256 from ._surface import subdivide_triangles, vertex_areas 
    4257 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4258 directory 
    4259  
    4260 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4261 directory 
    4262  
    4263 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4264 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4265 in 
    4266 from ._surface import subdivide_triangles, vertex_areas 
    4267  
    4268 See log for complete Python traceback. 
    4269  
    4270 Traceback (most recent call last): 
    4271 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4272 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4273 in _redraw_timer_callback 
    4274 drew = self.draw_new_frame() 
    4275 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4276 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4277 draw_new_frame 
    4278 from chimerax import surface 
    4279 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4280 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4281 in <module> 
    4282 from ._surface import subdivide_triangles, vertex_areas 
    4283 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4284 directory 
    4285  
    4286 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4287 directory 
    4288  
    4289 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4290 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4291 in 
    4292 from ._surface import subdivide_triangles, vertex_areas 
    4293  
    4294 See log for complete Python traceback. 
    4295  
    4296 Traceback (most recent call last): 
    4297 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4298 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4299 in _redraw_timer_callback 
    4300 drew = self.draw_new_frame() 
    4301 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4302 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4303 draw_new_frame 
    4304 from chimerax import surface 
    4305 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4306 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4307 in <module> 
    4308 from ._surface import subdivide_triangles, vertex_areas 
    4309 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4310 directory 
    4311  
    4312 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4313 directory 
    4314  
    4315 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4316 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4317 in 
    4318 from ._surface import subdivide_triangles, vertex_areas 
    4319  
    4320 See log for complete Python traceback. 
    4321  
    4322 Traceback (most recent call last): 
    4323 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4324 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4325 in _redraw_timer_callback 
    4326 drew = self.draw_new_frame() 
    4327 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4328 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4329 draw_new_frame 
    4330 from chimerax import surface 
    4331 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4332 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4333 in <module> 
    4334 from ._surface import subdivide_triangles, vertex_areas 
    4335 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4336 directory 
    4337  
    4338 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4339 directory 
    4340  
    4341 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4342 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4343 in 
    4344 from ._surface import subdivide_triangles, vertex_areas 
    4345  
    4346 See log for complete Python traceback. 
    4347  
    4348 Traceback (most recent call last): 
    4349 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4350 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4351 in _redraw_timer_callback 
    4352 drew = self.draw_new_frame() 
    4353 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4354 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4355 draw_new_frame 
    4356 from chimerax import surface 
    4357 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4358 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4359 in <module> 
    4360 from ._surface import subdivide_triangles, vertex_areas 
    4361 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4362 directory 
    4363  
    4364 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4365 directory 
    4366  
    4367 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4368 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4369 in 
    4370 from ._surface import subdivide_triangles, vertex_areas 
    4371  
    4372 See log for complete Python traceback. 
    4373  
    4374 Traceback (most recent call last): 
    4375 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4376 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4377 in _redraw_timer_callback 
    4378 drew = self.draw_new_frame() 
    4379 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4380 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4381 draw_new_frame 
    4382 from chimerax import surface 
    4383 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4384 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4385 in <module> 
    4386 from ._surface import subdivide_triangles, vertex_areas 
    4387 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4388 directory 
    4389  
    4390 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4391 directory 
    4392  
    4393 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4394 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4395 in 
    4396 from ._surface import subdivide_triangles, vertex_areas 
    4397  
    4398 See log for complete Python traceback. 
    4399  
    4400 Traceback (most recent call last): 
    4401 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4402 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4403 in _redraw_timer_callback 
    4404 drew = self.draw_new_frame() 
    4405 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4406 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4407 draw_new_frame 
    4408 from chimerax import surface 
    4409 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4410 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4411 in <module> 
    4412 from ._surface import subdivide_triangles, vertex_areas 
    4413 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4414 directory 
    4415  
    4416 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4417 directory 
    4418  
    4419 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4420 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4421 in 
    4422 from ._surface import subdivide_triangles, vertex_areas 
    4423  
    4424 See log for complete Python traceback. 
    4425  
    4426 Traceback (most recent call last): 
    4427 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4428 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4429 in _redraw_timer_callback 
    4430 drew = self.draw_new_frame() 
    4431 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4432 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4433 draw_new_frame 
    4434 from chimerax import surface 
    4435 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4436 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4437 in <module> 
    4438 from ._surface import subdivide_triangles, vertex_areas 
    4439 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4440 directory 
    4441  
    4442 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4443 directory 
    4444  
    4445 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4446 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4447 in 
    4448 from ._surface import subdivide_triangles, vertex_areas 
    4449  
    4450 See log for complete Python traceback. 
    4451  
    4452 Traceback (most recent call last): 
    4453 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4454 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4455 in _redraw_timer_callback 
    4456 drew = self.draw_new_frame() 
    4457 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4458 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4459 draw_new_frame 
    4460 from chimerax import surface 
    4461 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4462 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4463 in <module> 
    4464 from ._surface import subdivide_triangles, vertex_areas 
    4465 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4466 directory 
    4467  
    4468 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4469 directory 
    4470  
    4471 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4472 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4473 in 
    4474 from ._surface import subdivide_triangles, vertex_areas 
    4475  
    4476 See log for complete Python traceback. 
    4477  
    4478 Traceback (most recent call last): 
    4479 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4480 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4481 in _redraw_timer_callback 
    4482 drew = self.draw_new_frame() 
    4483 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4484 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4485 draw_new_frame 
    4486 from chimerax import surface 
    4487 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4488 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4489 in <module> 
    4490 from ._surface import subdivide_triangles, vertex_areas 
    4491 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4492 directory 
    4493  
    4494 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4495 directory 
    4496  
    4497 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4498 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4499 in 
    4500 from ._surface import subdivide_triangles, vertex_areas 
    4501  
    4502 See log for complete Python traceback. 
    4503  
    4504 Traceback (most recent call last): 
    4505 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4506 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4507 in _redraw_timer_callback 
    4508 drew = self.draw_new_frame() 
    4509 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4510 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4511 draw_new_frame 
    4512 from chimerax import surface 
    4513 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4514 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4515 in <module> 
    4516 from ._surface import subdivide_triangles, vertex_areas 
    4517 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4518 directory 
    4519  
    4520 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4521 directory 
    4522  
    4523 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4524 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4525 in 
    4526 from ._surface import subdivide_triangles, vertex_areas 
    4527  
    4528 See log for complete Python traceback. 
    4529  
    4530 Traceback (most recent call last): 
    4531 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4532 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4533 in _redraw_timer_callback 
    4534 drew = self.draw_new_frame() 
    4535 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4536 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4537 draw_new_frame 
    4538 from chimerax import surface 
    4539 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4540 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4541 in <module> 
    4542 from ._surface import subdivide_triangles, vertex_areas 
    4543 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4544 directory 
    4545  
    4546 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4547 directory 
    4548  
    4549 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4550 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4551 in 
    4552 from ._surface import subdivide_triangles, vertex_areas 
    4553  
    4554 See log for complete Python traceback. 
    4555  
    4556 Traceback (most recent call last): 
    4557 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4558 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4559 in _redraw_timer_callback 
    4560 drew = self.draw_new_frame() 
    4561 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4562 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4563 draw_new_frame 
    4564 from chimerax import surface 
    4565 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4566 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4567 in <module> 
    4568 from ._surface import subdivide_triangles, vertex_areas 
    4569 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4570 directory 
    4571  
    4572 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4573 directory 
    4574  
    4575 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4576 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4577 in 
    4578 from ._surface import subdivide_triangles, vertex_areas 
    4579  
    4580 See log for complete Python traceback. 
    4581  
    4582 Traceback (most recent call last): 
    4583 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4584 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4585 in _redraw_timer_callback 
    4586 drew = self.draw_new_frame() 
    4587 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4588 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4589 draw_new_frame 
    4590 from chimerax import surface 
    4591 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4592 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4593 in <module> 
    4594 from ._surface import subdivide_triangles, vertex_areas 
    4595 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4596 directory 
    4597  
    4598 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4599 directory 
    4600  
    4601 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4602 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4603 in 
    4604 from ._surface import subdivide_triangles, vertex_areas 
    4605  
    4606 See log for complete Python traceback. 
    4607  
    4608 Traceback (most recent call last): 
    4609 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4610 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4611 in _redraw_timer_callback 
    4612 drew = self.draw_new_frame() 
    4613 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4614 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4615 draw_new_frame 
    4616 from chimerax import surface 
    4617 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4618 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4619 in <module> 
    4620 from ._surface import subdivide_triangles, vertex_areas 
    4621 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4622 directory 
    4623  
    4624 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4625 directory 
    4626  
    4627 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4628 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4629 in 
    4630 from ._surface import subdivide_triangles, vertex_areas 
    4631  
    4632 See log for complete Python traceback. 
    4633  
    4634 Traceback (most recent call last): 
    4635 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4636 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4637 in _redraw_timer_callback 
    4638 drew = self.draw_new_frame() 
    4639 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4640 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4641 draw_new_frame 
    4642 from chimerax import surface 
    4643 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4644 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4645 in <module> 
    4646 from ._surface import subdivide_triangles, vertex_areas 
    4647 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4648 directory 
    4649  
    4650 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4651 directory 
    4652  
    4653 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4654 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4655 in 
    4656 from ._surface import subdivide_triangles, vertex_areas 
    4657  
    4658 See log for complete Python traceback. 
    4659  
    4660 Traceback (most recent call last): 
    4661 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4662 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4663 in _redraw_timer_callback 
    4664 drew = self.draw_new_frame() 
    4665 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4666 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4667 draw_new_frame 
    4668 from chimerax import surface 
    4669 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4670 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4671 in <module> 
    4672 from ._surface import subdivide_triangles, vertex_areas 
    4673 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4674 directory 
    4675  
    4676 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4677 directory 
    4678  
    4679 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4680 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4681 in 
    4682 from ._surface import subdivide_triangles, vertex_areas 
    4683  
    4684 See log for complete Python traceback. 
    4685  
    4686 Traceback (most recent call last): 
    4687 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4688 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4689 in _redraw_timer_callback 
    4690 drew = self.draw_new_frame() 
    4691 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4692 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4693 draw_new_frame 
    4694 from chimerax import surface 
    4695 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4696 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4697 in <module> 
    4698 from ._surface import subdivide_triangles, vertex_areas 
    4699 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4700 directory 
    4701  
    4702 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4703 directory 
    4704  
    4705 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4706 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4707 in 
    4708 from ._surface import subdivide_triangles, vertex_areas 
    4709  
    4710 See log for complete Python traceback. 
    4711  
    4712 Traceback (most recent call last): 
    4713 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4714 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4715 in _redraw_timer_callback 
    4716 drew = self.draw_new_frame() 
    4717 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4718 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4719 draw_new_frame 
    4720 from chimerax import surface 
    4721 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4722 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4723 in <module> 
    4724 from ._surface import subdivide_triangles, vertex_areas 
    4725 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4726 directory 
    4727  
    4728 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4729 directory 
    4730  
    4731 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4732 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4733 in 
    4734 from ._surface import subdivide_triangles, vertex_areas 
    4735  
    4736 See log for complete Python traceback. 
    4737  
    4738 Traceback (most recent call last): 
    4739 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4740 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4741 in _redraw_timer_callback 
    4742 drew = self.draw_new_frame() 
    4743 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4744 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4745 draw_new_frame 
    4746 from chimerax import surface 
    4747 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4748 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4749 in <module> 
    4750 from ._surface import subdivide_triangles, vertex_areas 
    4751 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4752 directory 
    4753  
    4754 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4755 directory 
    4756  
    4757 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4758 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4759 in 
    4760 from ._surface import subdivide_triangles, vertex_areas 
    4761  
    4762 See log for complete Python traceback. 
    4763  
    4764 Traceback (most recent call last): 
    4765 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4766 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4767 in _redraw_timer_callback 
    4768 drew = self.draw_new_frame() 
    4769 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4770 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4771 draw_new_frame 
    4772 from chimerax import surface 
    4773 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4774 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4775 in <module> 
    4776 from ._surface import subdivide_triangles, vertex_areas 
    4777 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4778 directory 
    4779  
    4780 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4781 directory 
    4782  
    4783 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4784 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4785 in 
    4786 from ._surface import subdivide_triangles, vertex_areas 
    4787  
    4788 See log for complete Python traceback. 
    4789  
    4790 Traceback (most recent call last): 
    4791 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4792 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4793 in _redraw_timer_callback 
    4794 drew = self.draw_new_frame() 
    4795 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4796 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4797 draw_new_frame 
    4798 from chimerax import surface 
    4799 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4800 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4801 in <module> 
    4802 from ._surface import subdivide_triangles, vertex_areas 
    4803 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4804 directory 
    4805  
    4806 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4807 directory 
    4808  
    4809 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4810 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4811 in 
    4812 from ._surface import subdivide_triangles, vertex_areas 
    4813  
    4814 See log for complete Python traceback. 
    4815  
    4816 Traceback (most recent call last): 
    4817 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4818 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4819 in _redraw_timer_callback 
    4820 drew = self.draw_new_frame() 
    4821 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4822 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4823 draw_new_frame 
    4824 from chimerax import surface 
    4825 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4826 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4827 in <module> 
    4828 from ._surface import subdivide_triangles, vertex_areas 
    4829 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4830 directory 
    4831  
    4832 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4833 directory 
    4834  
    4835 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4836 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4837 in 
    4838 from ._surface import subdivide_triangles, vertex_areas 
    4839  
    4840 See log for complete Python traceback. 
    4841  
    4842 Traceback (most recent call last): 
    4843 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4844 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4845 in _redraw_timer_callback 
    4846 drew = self.draw_new_frame() 
    4847 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4848 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4849 draw_new_frame 
    4850 from chimerax import surface 
    4851 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4852 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4853 in <module> 
    4854 from ._surface import subdivide_triangles, vertex_areas 
    4855 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4856 directory 
    4857  
    4858 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4859 directory 
    4860  
    4861 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4862 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4863 in 
    4864 from ._surface import subdivide_triangles, vertex_areas 
    4865  
    4866 See log for complete Python traceback. 
    4867  
    4868 Traceback (most recent call last): 
    4869 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4870 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4871 in _redraw_timer_callback 
    4872 drew = self.draw_new_frame() 
    4873 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4874 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4875 draw_new_frame 
    4876 from chimerax import surface 
    4877 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4878 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4879 in <module> 
    4880 from ._surface import subdivide_triangles, vertex_areas 
    4881 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4882 directory 
    4883  
    4884 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4885 directory 
    4886  
    4887 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4888 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4889 in 
    4890 from ._surface import subdivide_triangles, vertex_areas 
    4891  
    4892 See log for complete Python traceback. 
    4893  
    4894 Traceback (most recent call last): 
    4895 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4896 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4897 in _redraw_timer_callback 
    4898 drew = self.draw_new_frame() 
    4899 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4900 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4901 draw_new_frame 
    4902 from chimerax import surface 
    4903 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4904 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4905 in <module> 
    4906 from ._surface import subdivide_triangles, vertex_areas 
    4907 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4908 directory 
    4909  
    4910 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4911 directory 
    4912  
    4913 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4914 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4915 in 
    4916 from ._surface import subdivide_triangles, vertex_areas 
    4917  
    4918 See log for complete Python traceback. 
    4919  
    4920 Traceback (most recent call last): 
    4921 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4922 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4923 in _redraw_timer_callback 
    4924 drew = self.draw_new_frame() 
    4925 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4926 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4927 draw_new_frame 
    4928 from chimerax import surface 
    4929 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4930 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4931 in <module> 
    4932 from ._surface import subdivide_triangles, vertex_areas 
    4933 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4934 directory 
    4935  
    4936 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4937 directory 
    4938  
    4939 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4940 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4941 in 
    4942 from ._surface import subdivide_triangles, vertex_areas 
    4943  
    4944 See log for complete Python traceback. 
    4945  
    4946 Traceback (most recent call last): 
    4947 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4948 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4949 in _redraw_timer_callback 
    4950 drew = self.draw_new_frame() 
    4951 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4952 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4953 draw_new_frame 
    4954 from chimerax import surface 
    4955 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4956 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4957 in <module> 
    4958 from ._surface import subdivide_triangles, vertex_areas 
    4959 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4960 directory 
    4961  
    4962 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4963 directory 
    4964  
    4965 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4966 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4967 in 
    4968 from ._surface import subdivide_triangles, vertex_areas 
    4969  
    4970 See log for complete Python traceback. 
    4971  
    4972 Traceback (most recent call last): 
    4973 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4974 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    4975 in _redraw_timer_callback 
    4976 drew = self.draw_new_frame() 
    4977 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4978 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    4979 draw_new_frame 
    4980 from chimerax import surface 
    4981 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4982 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4983 in <module> 
    4984 from ._surface import subdivide_triangles, vertex_areas 
    4985 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4986 directory 
    4987  
    4988 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    4989 directory 
    4990  
    4991 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    4992 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    4993 in 
    4994 from ._surface import subdivide_triangles, vertex_areas 
    4995  
    4996 See log for complete Python traceback. 
    4997  
    4998 Traceback (most recent call last): 
    4999 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5000 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5001 in _redraw_timer_callback 
    5002 drew = self.draw_new_frame() 
    5003 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5004 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5005 draw_new_frame 
    5006 from chimerax import surface 
    5007 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5008 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5009 in <module> 
    5010 from ._surface import subdivide_triangles, vertex_areas 
    5011 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5012 directory 
    5013  
    5014 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5015 directory 
    5016  
    5017 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5018 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5019 in 
    5020 from ._surface import subdivide_triangles, vertex_areas 
    5021  
    5022 See log for complete Python traceback. 
    5023  
    5024 Traceback (most recent call last): 
    5025 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5026 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5027 in _redraw_timer_callback 
    5028 drew = self.draw_new_frame() 
    5029 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5030 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5031 draw_new_frame 
    5032 from chimerax import surface 
    5033 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5034 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5035 in <module> 
    5036 from ._surface import subdivide_triangles, vertex_areas 
    5037 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5038 directory 
    5039  
    5040 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5041 directory 
    5042  
    5043 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5044 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5045 in 
    5046 from ._surface import subdivide_triangles, vertex_areas 
    5047  
    5048 See log for complete Python traceback. 
    5049  
    5050 Traceback (most recent call last): 
    5051 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5052 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5053 in _redraw_timer_callback 
    5054 drew = self.draw_new_frame() 
    5055 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5056 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5057 draw_new_frame 
    5058 from chimerax import surface 
    5059 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5060 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5061 in <module> 
    5062 from ._surface import subdivide_triangles, vertex_areas 
    5063 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5064 directory 
    5065  
    5066 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5067 directory 
    5068  
    5069 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5070 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5071 in 
    5072 from ._surface import subdivide_triangles, vertex_areas 
    5073  
    5074 See log for complete Python traceback. 
    5075  
    5076 Traceback (most recent call last): 
    5077 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5078 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5079 in _redraw_timer_callback 
    5080 drew = self.draw_new_frame() 
    5081 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5082 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5083 draw_new_frame 
    5084 from chimerax import surface 
    5085 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5086 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5087 in <module> 
    5088 from ._surface import subdivide_triangles, vertex_areas 
    5089 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5090 directory 
    5091  
    5092 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5093 directory 
    5094  
    5095 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5096 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5097 in 
    5098 from ._surface import subdivide_triangles, vertex_areas 
    5099  
    5100 See log for complete Python traceback. 
    5101  
    5102 Traceback (most recent call last): 
    5103 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5104 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5105 in _redraw_timer_callback 
    5106 drew = self.draw_new_frame() 
    5107 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5108 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5109 draw_new_frame 
    5110 from chimerax import surface 
    5111 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5112 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5113 in <module> 
    5114 from ._surface import subdivide_triangles, vertex_areas 
    5115 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5116 directory 
    5117  
    5118 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5119 directory 
    5120  
    5121 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5122 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5123 in 
    5124 from ._surface import subdivide_triangles, vertex_areas 
    5125  
    5126 See log for complete Python traceback. 
    5127  
    5128 Traceback (most recent call last): 
    5129 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5130 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5131 in _redraw_timer_callback 
    5132 drew = self.draw_new_frame() 
    5133 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5134 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5135 draw_new_frame 
    5136 from chimerax import surface 
    5137 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5138 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5139 in <module> 
    5140 from ._surface import subdivide_triangles, vertex_areas 
    5141 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5142 directory 
    5143  
    5144 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5145 directory 
    5146  
    5147 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5148 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5149 in 
    5150 from ._surface import subdivide_triangles, vertex_areas 
    5151  
    5152 See log for complete Python traceback. 
    5153  
    5154 Traceback (most recent call last): 
    5155 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5156 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5157 in _redraw_timer_callback 
    5158 drew = self.draw_new_frame() 
    5159 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5160 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5161 draw_new_frame 
    5162 from chimerax import surface 
    5163 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5164 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5165 in <module> 
    5166 from ._surface import subdivide_triangles, vertex_areas 
    5167 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5168 directory 
    5169  
    5170 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5171 directory 
    5172  
    5173 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5174 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5175 in 
    5176 from ._surface import subdivide_triangles, vertex_areas 
    5177  
    5178 See log for complete Python traceback. 
    5179  
    5180 Traceback (most recent call last): 
    5181 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5182 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5183 in _redraw_timer_callback 
    5184 drew = self.draw_new_frame() 
    5185 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5186 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5187 draw_new_frame 
    5188 from chimerax import surface 
    5189 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5190 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5191 in <module> 
    5192 from ._surface import subdivide_triangles, vertex_areas 
    5193 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5194 directory 
    5195  
    5196 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5197 directory 
    5198  
    5199 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5200 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5201 in 
    5202 from ._surface import subdivide_triangles, vertex_areas 
    5203  
    5204 See log for complete Python traceback. 
    5205  
    5206 Traceback (most recent call last): 
    5207 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5208 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5209 in _redraw_timer_callback 
    5210 drew = self.draw_new_frame() 
    5211 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5212 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5213 draw_new_frame 
    5214 from chimerax import surface 
    5215 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5216 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5217 in <module> 
    5218 from ._surface import subdivide_triangles, vertex_areas 
    5219 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5220 directory 
    5221  
    5222 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5223 directory 
    5224  
    5225 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5226 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5227 in 
    5228 from ._surface import subdivide_triangles, vertex_areas 
    5229  
    5230 See log for complete Python traceback. 
    5231  
    5232 Traceback (most recent call last): 
    5233 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5234 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5235 in _redraw_timer_callback 
    5236 drew = self.draw_new_frame() 
    5237 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5238 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5239 draw_new_frame 
    5240 from chimerax import surface 
    5241 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5242 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5243 in <module> 
    5244 from ._surface import subdivide_triangles, vertex_areas 
    5245 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5246 directory 
    5247  
    5248 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5249 directory 
    5250  
    5251 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5252 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5253 in 
    5254 from ._surface import subdivide_triangles, vertex_areas 
    5255  
    5256 See log for complete Python traceback. 
    5257  
    5258 Traceback (most recent call last): 
    5259 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5260 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5261 in _redraw_timer_callback 
    5262 drew = self.draw_new_frame() 
    5263 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5264 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5265 draw_new_frame 
    5266 from chimerax import surface 
    5267 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5268 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5269 in <module> 
    5270 from ._surface import subdivide_triangles, vertex_areas 
    5271 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5272 directory 
    5273  
    5274 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5275 directory 
    5276  
    5277 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5278 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5279 in 
    5280 from ._surface import subdivide_triangles, vertex_areas 
    5281  
    5282 See log for complete Python traceback. 
    5283  
    5284 Traceback (most recent call last): 
    5285 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5286 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5287 in _redraw_timer_callback 
    5288 drew = self.draw_new_frame() 
    5289 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5290 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5291 draw_new_frame 
    5292 from chimerax import surface 
    5293 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5294 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5295 in <module> 
    5296 from ._surface import subdivide_triangles, vertex_areas 
    5297 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5298 directory 
    5299  
    5300 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5301 directory 
    5302  
    5303 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5304 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5305 in 
    5306 from ._surface import subdivide_triangles, vertex_areas 
    5307  
    5308 See log for complete Python traceback. 
    5309  
    5310 Traceback (most recent call last): 
    5311 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5312 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5313 in _redraw_timer_callback 
    5314 drew = self.draw_new_frame() 
    5315 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5316 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5317 draw_new_frame 
    5318 from chimerax import surface 
    5319 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5320 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5321 in <module> 
    5322 from ._surface import subdivide_triangles, vertex_areas 
    5323 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5324 directory 
    5325  
    5326 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5327 directory 
    5328  
    5329 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5330 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5331 in 
    5332 from ._surface import subdivide_triangles, vertex_areas 
    5333  
    5334 See log for complete Python traceback. 
    5335  
    5336 Traceback (most recent call last): 
    5337 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5338 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5339 in _redraw_timer_callback 
    5340 drew = self.draw_new_frame() 
    5341 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5342 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5343 draw_new_frame 
    5344 from chimerax import surface 
    5345 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5346 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5347 in <module> 
    5348 from ._surface import subdivide_triangles, vertex_areas 
    5349 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5350 directory 
    5351  
    5352 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5353 directory 
    5354  
    5355 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5356 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5357 in 
    5358 from ._surface import subdivide_triangles, vertex_areas 
    5359  
    5360 See log for complete Python traceback. 
    5361  
    5362 Traceback (most recent call last): 
    5363 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5364 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5365 in _redraw_timer_callback 
    5366 drew = self.draw_new_frame() 
    5367 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5368 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5369 draw_new_frame 
    5370 from chimerax import surface 
    5371 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5372 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5373 in <module> 
    5374 from ._surface import subdivide_triangles, vertex_areas 
    5375 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5376 directory 
    5377  
    5378 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5379 directory 
    5380  
    5381 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5382 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5383 in 
    5384 from ._surface import subdivide_triangles, vertex_areas 
    5385  
    5386 See log for complete Python traceback. 
    5387  
    5388 Traceback (most recent call last): 
    5389 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5390 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5391 in _redraw_timer_callback 
    5392 drew = self.draw_new_frame() 
    5393 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5394 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5395 draw_new_frame 
    5396 from chimerax import surface 
    5397 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5398 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5399 in <module> 
    5400 from ._surface import subdivide_triangles, vertex_areas 
    5401 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5402 directory 
    5403  
    5404 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5405 directory 
    5406  
    5407 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5408 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5409 in 
    5410 from ._surface import subdivide_triangles, vertex_areas 
    5411  
    5412 See log for complete Python traceback. 
    5413  
    5414 Traceback (most recent call last): 
    5415 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5416 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5417 in _redraw_timer_callback 
    5418 drew = self.draw_new_frame() 
    5419 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5420 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5421 draw_new_frame 
    5422 from chimerax import surface 
    5423 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5424 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5425 in <module> 
    5426 from ._surface import subdivide_triangles, vertex_areas 
    5427 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5428 directory 
    5429  
    5430 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5431 directory 
    5432  
    5433 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5434 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5435 in 
    5436 from ._surface import subdivide_triangles, vertex_areas 
    5437  
    5438 See log for complete Python traceback. 
    5439  
    5440 Traceback (most recent call last): 
    5441 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5442 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5443 in _redraw_timer_callback 
    5444 drew = self.draw_new_frame() 
    5445 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5446 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5447 draw_new_frame 
    5448 from chimerax import surface 
    5449 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5450 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5451 in <module> 
    5452 from ._surface import subdivide_triangles, vertex_areas 
    5453 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5454 directory 
    5455  
    5456 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5457 directory 
    5458  
    5459 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5460 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5461 in 
    5462 from ._surface import subdivide_triangles, vertex_areas 
    5463  
    5464 See log for complete Python traceback. 
    5465  
    5466 Traceback (most recent call last): 
    5467 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5468 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5469 in _redraw_timer_callback 
    5470 drew = self.draw_new_frame() 
    5471 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5472 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5473 draw_new_frame 
    5474 from chimerax import surface 
    5475 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5476 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5477 in <module> 
    5478 from ._surface import subdivide_triangles, vertex_areas 
    5479 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5480 directory 
    5481  
    5482 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5483 directory 
    5484  
    5485 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5486 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5487 in 
    5488 from ._surface import subdivide_triangles, vertex_areas 
    5489  
    5490 See log for complete Python traceback. 
    5491  
    5492 Traceback (most recent call last): 
    5493 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5494 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5495 in _redraw_timer_callback 
    5496 drew = self.draw_new_frame() 
    5497 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5498 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5499 draw_new_frame 
    5500 from chimerax import surface 
    5501 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5502 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5503 in <module> 
    5504 from ._surface import subdivide_triangles, vertex_areas 
    5505 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5506 directory 
    5507  
    5508 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5509 directory 
    5510  
    5511 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5512 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5513 in 
    5514 from ._surface import subdivide_triangles, vertex_areas 
    5515  
    5516 See log for complete Python traceback. 
    5517  
    5518 Traceback (most recent call last): 
    5519 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5520 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5521 in _redraw_timer_callback 
    5522 drew = self.draw_new_frame() 
    5523 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5524 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5525 draw_new_frame 
    5526 from chimerax import surface 
    5527 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5528 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5529 in <module> 
    5530 from ._surface import subdivide_triangles, vertex_areas 
    5531 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5532 directory 
    5533  
    5534 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5535 directory 
    5536  
    5537 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5538 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5539 in 
    5540 from ._surface import subdivide_triangles, vertex_areas 
    5541  
    5542 See log for complete Python traceback. 
    5543  
    5544 Traceback (most recent call last): 
    5545 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5546 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5547 in _redraw_timer_callback 
    5548 drew = self.draw_new_frame() 
    5549 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5550 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5551 draw_new_frame 
    5552 from chimerax import surface 
    5553 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5554 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5555 in <module> 
    5556 from ._surface import subdivide_triangles, vertex_areas 
    5557 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5558 directory 
    5559  
    5560 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5561 directory 
    5562  
    5563 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5564 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5565 in 
    5566 from ._surface import subdivide_triangles, vertex_areas 
    5567  
    5568 See log for complete Python traceback. 
    5569  
    5570 Traceback (most recent call last): 
    5571 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5572 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5573 in _redraw_timer_callback 
    5574 drew = self.draw_new_frame() 
    5575 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5576 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5577 draw_new_frame 
    5578 from chimerax import surface 
    5579 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5580 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5581 in <module> 
    5582 from ._surface import subdivide_triangles, vertex_areas 
    5583 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5584 directory 
    5585  
    5586 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5587 directory 
    5588  
    5589 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5590 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5591 in 
    5592 from ._surface import subdivide_triangles, vertex_areas 
    5593  
    5594 See log for complete Python traceback. 
    5595  
    5596 Traceback (most recent call last): 
    5597 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5598 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5599 in _redraw_timer_callback 
    5600 drew = self.draw_new_frame() 
    5601 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5602 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5603 draw_new_frame 
    5604 from chimerax import surface 
    5605 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5606 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5607 in <module> 
    5608 from ._surface import subdivide_triangles, vertex_areas 
    5609 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5610 directory 
    5611  
    5612 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5613 directory 
    5614  
    5615 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5616 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5617 in 
    5618 from ._surface import subdivide_triangles, vertex_areas 
    5619  
    5620 See log for complete Python traceback. 
    5621  
    5622 Traceback (most recent call last): 
    5623 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5624 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5625 in _redraw_timer_callback 
    5626 drew = self.draw_new_frame() 
    5627 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5628 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5629 draw_new_frame 
    5630 from chimerax import surface 
    5631 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5632 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5633 in <module> 
    5634 from ._surface import subdivide_triangles, vertex_areas 
    5635 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5636 directory 
    5637  
    5638 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5639 directory 
    5640  
    5641 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5642 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5643 in 
    5644 from ._surface import subdivide_triangles, vertex_areas 
    5645  
    5646 See log for complete Python traceback. 
    5647  
    5648 Traceback (most recent call last): 
    5649 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5650 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5651 in _redraw_timer_callback 
    5652 drew = self.draw_new_frame() 
    5653 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5654 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5655 draw_new_frame 
    5656 from chimerax import surface 
    5657 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5658 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5659 in <module> 
    5660 from ._surface import subdivide_triangles, vertex_areas 
    5661 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5662 directory 
    5663  
    5664 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5665 directory 
    5666  
    5667 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5668 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5669 in 
    5670 from ._surface import subdivide_triangles, vertex_areas 
    5671  
    5672 See log for complete Python traceback. 
    5673  
    5674 Traceback (most recent call last): 
    5675 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5676 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 139,
    5677 in _redraw_timer_callback 
    5678 drew = self.draw_new_frame() 
    5679 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5680 ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 60, in
    5681 draw_new_frame 
    5682 from chimerax import surface 
    5683 File "/programs/x86_64-linux/chimerax/1.6.1_c9/libexec/UCSF-
    5684 ChimeraX/lib/python3.9/site-packages/chimerax/surface/__init__.py", line 23,
    5685 in <module> 
    5686 from ._surface import subdivide_triangles, vertex_areas 
    5687 ImportError: libGLU.so.1: cannot open shared object file: No such file or
    5688 directory 
    5689  
     1374
     1375[lots of these deleted]
     1376
    56901377ImportError: libGLU.so.1: cannot open shared object file: No such file or
    56911378directory