def get_banner(self):
if not self.active or (self.auth_handler is None):<EOL><INDENT>return None<EOL><DEDENT>return self.auth_handler.banner<EOL>
Return the banner supplied by the server upon connect. If no banner is
supplied, this method returns ``None``.

:returns: server supplied banner (`str`), or ``None``.

.. versionadded:: 1.13