def __error(self,stanza):
try:<EOL><INDENT>self.error(stanza.get_error())<EOL><DEDENT>except ProtocolError:<EOL><INDENT>from ..error import StanzaErrorNode<EOL>self.error(StanzaErrorNode("<STR_LIT>"))<EOL><DEDENT>
Handle disco error response.

        :Parameters:
            - `stanza`: the stanza received.
        :Types:
            - `stanza`: `pyxmpp.stanza.Stanza`