Method _check_closed

python/graphscope/client/session.py:779–782

Internal: raise a ValueError if session is closed

(self, msg=None)

            pass

    def _check_closed(self, msg=None):
        """Internal: raise a ValueError if session is closed"""
        if self.closed:
            raise ValueError(msg or "Operation on closed session.")

    # Context manager
    def __enter__(self):