def generic_visit(self, node):
        """Called as a fallback handler if all other visit_* functions failed.
        return '<unknown>'. if node is NoneType return ''"""
        if node is None:
            return ''
        return '<unknown: %s>' % classname(node)
Called as a fallback handler if all other visit_* functions failed.
        return '<unknown>'. if node is NoneType return ''
recipes/Python/576671_Parse_call_functiPy26_Py27_/recipe-576671.py