Fix bug in checkDocumentPick of soc.views.helper.access module, which cause KeyError exceptions in document picker.
Fix bug in checkDocumentPick of soc.views.helper.access module, which cause KeyError exceptions in document picker.

Patch by: Pawel Solyga
Reviewed by: to-be-reviewed

--HG--
extra : convert_revision : svn%3A32761e7d-7263-4528-b7be-7235b26367ec/trunk%402211

rhyolight/nupic.son,rhyolight/nupic.son,rhyolight/nupic.son