docs: def _produce_return(self, cursor):
          """ Return the rowcount property from the used cursor.
  
          Checks the count first, if a count was given.
  
          :raise ManipulationCheckError: if a row count was set but does not
              match
          """
          rowcount = cursor.rowcount
  
          # Check the row count?
          if self._rowcount is not None and self._rowcount != rowcount:
              raise ManipulationCheckError(
                  "Count was {}, expected {}.".format(rowcount, self._rowcount))
  
          return rowcount