def is_operational_exception(self, msg):
if msg.pgerror in ('<STR_LIT>',):<EOL><INDENT>return True<EOL><DEDENT>return False<EOL>
return True if a conditional exception is actually an operational
        error. Return False if it's a genuine error that should probably be
        raised and propagate up.

        Some conditional exceptions might be actually be some form of
        operational exception "labelled" wrong by the psycopg2 code error
        handler.