def _get_handler(self, namespace, remove_handler=False):
if hasattr(namespace, '<STR_LIT>'):<EOL><INDENT>_func = namespace._func<EOL>if remove_handler:<EOL><INDENT>del namespace._func<EOL><DEDENT>return _func<EOL><DEDENT>
Get a handler (if present) from a namespace.

        Returns
        -------
        function or None
            The handler defined in the namespace.