File "/cdx/svn/checkout/core/trunk/Program Manager/ProgramManager.py", line 333, in OnApplyLayout
File "/cdx/svn/checkout/core/trunk/Program Manager/ProgramManager.py", line 402, in ApplyLayout
AttributeError: 'module' object has no attribute 'rename'
As the program manager loads completely, it switches to Idle and this comes up.