def process_bind_param(self, value: Optional[List[str]],
                           dialect: Dialect) -> str:
        """Convert things on the way from Python to the database."""
        retval = self._strlist_to_dbstr(value)
        return retval
def process_bind_param ( self , value : Optional [ List [ str ] ] , dialect : Dialect ) -> str : retval = self . _strlist_to_dbstr ( value ) return retval
Convert things on the way from Python to the database.