#NEWLINE# def unfollow_feed( self , feed , source_feed ) : #NEWLINE# #INDENT# '\n        removes entries originating from the source feed form the feed class\n        this will remove all activities, so this could take a while\n        :param feed: the feed to copy to\n        :param source_feed: the feed with a list of activities to remove\n        ' #NEWLINE# activities = source_feed [ : ] #NEWLINE# if activities : #NEWLINE# #INDENT# return feed . remove_many ( activities )