code: def partitioning_type(self):
          
          warnings.warn(
              "This method will be deprecated in future versions. Please use "
              "TableListItem.time_partitioning.type_ instead.",
              PendingDeprecationWarning,
              stacklevel=2,
          )
          if self.time_partitioning is not None:
              return self.time_partitioning.type_
docs: Union[str, None]: Time partitioning of the table if it is
          partitioned (Defaults to :data:`None`).