joke action rasa

from rasa_sdk import Action
from rasa_sdk.events import SlotSet
import requests

class ActionTellJoke(Action):
    def name(self) -> Text:
        return "action_tell_joke"

    def run(self, dispatcher: CollectingDispatcher,
            tracker: Tracker,
            domain: Dict[Text, Any]) -> List[Dict[Text, Any]]:

        response = requests.get('https://witzapi.de/api/joke/')
        joke = response.json()

        joketext = joke[0]['text'] 

        dispatcher.utter_message(text=joketext)

        return []