code: def table(self) -> Table:
          
          if self._table is not None:
              return self._table
          assert self._metadata, (
              "Must specify metadata (in constructor or via set_metadata()/"
              "set_metadata_if_none() before you can get a Table from a "
              "tablename"
          )
          for table in self._metadata.tables.values():  # type: Table
              if table.name == self._tablename:
                  return table
          raise ValueError("No table named {!r} is present in the "
                           "metadata".format(self._tablename))
docs: Returns a SQLAlchemy :class:`Table` object. This is either the
          :class:`Table` object that was used for initialization, or one that
          was constructed from the ``tablename`` plus the ``metadata``.