def feed_extra_kwargs(self, obj):
        return {}
get_packages()-> dict
dataset/ETHPy150Open justquick/django-activity-stream/actstream/feeds.py/ActivityStreamsBaseFeed.feed_extra_kwargs--crossover with--dataset/ETHPy150Open VisTrails/VisTrails/vistrails/gui/application_server.py/RequestHandler.get_packages