class Test(MessageFilter):

    def filter(self, message):
        self.data_filter = True
        if message.text == "cool":
            dct = {"fuck": "duck"}
            return dct



def cool(fn):
    def wrapper(context, update, dispatcher, check_result, *args, **kwargs):
        fn(*args, **kwargs)
    handler = MessageHandler(test, fn)
    dispatcher.add_handler(handler)
    return wrapper


@cool
def ok_kool_test(update, context):
    user_id = update.effective_chat.id
    print(context.fuck)