Used defaultdict in deletion.Collector.
Used defaultdict in deletion.Collector.

manhhomienbienthuy/django,georgemarshall/django,atul-bhouraskar/django,wkschwartz/django,adamchainz/django,monetate/django,rsalmaso/django,apollo13/django,felixxm/django,theo-l/django,simonw/django,elena/django,felixxm/django,django/django,theo-l/django,dsanders11/django,django/django,MarkusH/django,solarissmoke/django,freakboy3742/django,freakboy3742/django,takis/django,ghickman/django,koordinates/django,felixxm/django,monetate/django,adamchainz/django,apollo13/django,elena/django,pauloxnet/django,adamchainz/django,auvipy/django,pauloxnet/django,georgemarshall/django,dsanders11/django,rsalmaso/django,simonw/django,simonw/django,shaib/django,pauloxnet/django,claudep/django,georgemarshall/django,atul-bhouraskar/django,apollo13/django,apollo13/django,googleinterns/django,ghickman/django,MarkusH/django,MarkusH/django,solarissmoke/django,shaib/django,solarissmoke/django,claudep/django,adamchainz/django,blighj/django,takis/django,pauloxnet/django,manhhomienbienthuy/django,koordinates/django,georgemarshall/django,googleinterns/django,freakboy3742/django,auvipy/django,takis/django,koordinates/django,blighj/django,solarissmoke/django,ghickman/django,theo-l/django,kaedroho/django,elena/django,blighj/django,simonw/django,theo-l/django,manhhomienbienthuy/django,koordinates/django,takis/django,manhhomienbienthuy/django,rsalmaso/django,elena/django,atul-bhouraskar/django,shaib/django,ghickman/django,auvipy/django,monetate/django,kaedroho/django,claudep/django,monetate/django,kaedroho/django,auvipy/django,googleinterns/django,atul-bhouraskar/django,shaib/django,felixxm/django,dsanders11/django,wkschwartz/django,django/django,wkschwartz/django,blighj/django,MarkusH/django,dsanders11/django,django/django,wkschwartz/django,googleinterns/django,claudep/django,rsalmaso/django