And it would help to use a more recent version of Chimera, either version 1.6.2 or the 1.7 release candidate. The newer releases have newer versions of Python and MMTK embedded in them with the associated improvements and bug fixes. -- Greg On 01/10/2013 11:30 AM, pythonchemia Gazeta.pl wrote:

I have Chimera 1.5 with Python IDLE v 2.7 and Windows XP and MinGW.