id,summary,reporter,owner,description,type,status,component,version,severity,resolution,keywords,cc,stage,has_patch,needs_docs,needs_tests,needs_better_patch,easy,ui_ux 20028,transaction.atomic doesn't work on callable instances,Aymeric Augustin,nobody,"It's the same problem as #13093, and it's a bug in Python: http://bugs.python.org/issue3445#msg100933 Reported by Anssi.",Bug,closed,"Database layer (models, ORM)",dev,Release blocker,fixed,,,Accepted,0,0,0,0,0,0