@format.setter<EOL><INDENT>def format(self, message_format):<DEDENT>
if message_format not in self.formats:<EOL><INDENT>self._log.error('<STR_LIT>'.format(format=message_format))<EOL>return<EOL><DEDENT>self._log.debug('<STR_LIT>'.format(format=message_format))<EOL>self._format = message_format<EOL>
Set the message format
:param message_format: The format to set
:type  message_format: str