sugarlabs/sugar-toolkit-gtk3 — pull request #69 by akskumarnot (2013-12-25 18:27:57+00:00)
Title: fixes #2170

Changed format of .debugs, .warnings , .error and raise statements from :
if self._activity_cache is not None:
raise ValueError('Activity %s is already tracked',
activity.get_id())

To:

if self._activity_cache is not None:
raise ValueError('Activity %s is already tracked' % \
activity.get_id())