def _get_set ( self , key , operation , create = False ) : return self . _get_by_type ( key , operation , create , b'set' , set ( ) )
python 3 create a set with a custom key
Get ( and maybe create ) a set by name .
def _get_set(self, key, operation, create=False):
        """
        Get (and maybe create) a set by name.
        """
        return self._get_by_type(key, operation, create, b'set', set())