Only try to attach user info if its an instance of django.contrib.auth
Only try to attach user info if its an instance of django.contrib.auth

tarkatronic/opbeat_python,ronaldevers/raven-python,inspirehep/raven-python,akalipetis/raven-python,dirtycoder/opbeat_python,Goldmund-Wyldebeast-Wunderliebe/raven-python,patrys/opbeat_python,arthurlogilab/raven-python,jmagnusson/raven-python,jbarbuto/raven-python,daikeren/opbeat_python,dbravender/raven-python,johansteffner/raven-python,recht/raven-python,recht/raven-python,inspirehep/raven-python,patrys/opbeat_python,ewdurbin/raven-python,Goldmund-Wyldebeast-Wunderliebe/raven-python,getsentry/raven-python,jmp0xf/raven-python,jmagnusson/raven-python,percipient/raven-python,jmagnusson/raven-python,Photonomie/raven-python,recht/raven-python,dirtycoder/opbeat_python,Goldmund-Wyldebeast-Wunderliebe/raven-python,arthurlogilab/raven-python,nikolas/raven-python,alex/raven,inspirehep/raven-python,jmp0xf/raven-python,ticosax/opbeat_python,Goldmund-Wyldebeast-Wunderliebe/raven-python,daikeren/opbeat_python,getsentry/raven-python,icereval/raven-python,patrys/opbeat_python,inspirehep/raven-python,hzy/raven-python,danriti/raven-python,beniwohli/apm-agent-python,jbarbuto/raven-python,jbarbuto/raven-python,smarkets/raven-python,dbravender/raven-python,beniwohli/apm-agent-python,jbarbuto/raven-python,johansteffner/raven-python,ticosax/opbeat_python,icereval/raven-python,arthurlogilab/raven-python,beniwohli/apm-agent-python,patrys/opbeat_python,smarkets/raven-python,smarkets/raven-python,akheron/raven-python,icereval/raven-python,akalipetis/raven-python,nikolas/raven-python,openlabs/raven,jmp0xf/raven-python,daikeren/opbeat_python,dbravender/raven-python,smarkets/raven-python,hzy/raven-python,akheron/raven-python,dirtycoder/opbeat_python,percipient/raven-python,beniwohli/apm-agent-python,ronaldevers/raven-python,collective/mr.poe,arthurlogilab/raven-python,lopter/raven-python-old,getsentry/raven-python,someonehan/raven-python,someonehan/raven-python,tarkatronic/opbeat_python,hzy/raven-python,ronaldevers/raven-python,percipient/raven-python,Photonomie/raven-python,Photonomie/raven-python,johansteffner/raven-python,icereval/raven-python,akalipetis/raven-python,nikolas/raven-python,ticosax/opbeat_python,lepture/raven-python,ewdurbin/raven-python,danriti/raven-python,lepture/raven-python,tarkatronic/opbeat_python,akheron/raven-python,someonehan/raven-python,ewdurbin/raven-python,lepture/raven-python,danriti/raven-python,nikolas/raven-python