def __init__(self, foreign_model, attribute_name=None):
Related.__init__(self)
self.foreign_model = foreign_model
self._attribute_name = attribute_name
self.relation = None
self.set_default = False
def __init__(self, foreign_model):
Related.__init__(self)
self.set_default = False
self.foreign_model = foreign_model
self.relation = None
