code: def deserialize(self, value, **kwargs):
          
          kwargs.update({'trusted': kwargs.get('trusted', False)})
          if self.deserializer is not None:
              return self.deserializer(value, **kwargs)
          if value is None:
              return None
          output_tuples = [
              (
                  self.key_prop.deserialize(key, **kwargs),
                  self.value_prop.deserialize(val, **kwargs)
              )
              for key, val in iteritems(value)
          ]
          try:
              output_dict = {key: val for key, val in output_tuples}
          except TypeError as err:
              raise TypeError('Dictionary property {} cannot be deserialized - '
                              'keys contain {}'.format(self.name, err))
          return self._class_container(output_dict)
docs: Return a deserialized copy of the dict