Method check_decorated_function_is_method

mypy/semanal.py:1823–1825

(self, decorator: str, context: Context)

            self.fail(message_registry.CLASS_PATTERN_CLASS_OR_STATIC_METHOD, dec)

    def check_decorated_function_is_method(self, decorator: str, context: Context) -> None:
        if not self.type or self.is_func_scope():
            self.fail(f'"{decorator}" used with a non-method', context)

    #
    # Classes