code: def fill(self, **kwargs):
          ''' Loads the relationships into this model. They are not loaded by
          default '''
          setattr(self.obj, self.name, self.get(**kwargs)f fill(self, **kwargs):
          ''' Loads the relationships into this model. They are not loaded by
          default '''
          setattr(self.obj, self.name, self.get(**kwargs))
docs: Loads the relationships into this model. They are not loaded by
          default