biopython/biopython — pull request #107 by cbrueffer (2012-12-04 11:25:23+00:00)
Title: Trim EOL whitespace (PEP8 W291, W293), batch 3.

This is the last major commit. Now there's only some stragglers (Bio/SubsMat/MatrixInfo.py is the worst offender) and legitimate EOL whitespace left.