Requests to the `hotel-offers` API fails with 401 about amadeus-python HOT 2 CLOSED

from amadeus import Client, ResponseError
from dotenv import load_dotenv
from os import environ
from requests import get

load_dotenv()

try:
  amadeus = Client(
      client_id=environ.get("API_KEY"),
      client_secret=environ.get("API_SECRET")
)

except Exception as e:
  print("Hint: Add API Key and API Secret to class Client")
  exit(1)

res = amadeus.shopping.hotel_offers.get(cityCode='LON')
print(res)

URL = "https://test.api.amadeus.com/v3/shopping/hotel-offers?hotelIds=MCLONGHM&adults=1&checkInDate=2022-11-22&roomQuantity=1&paymentPolicy=NONE&bestRateOnly=true"

headers = {}
headers["Accept"] = "application/json"
headers["Authorization"] = "Bearer " + environ.get("AUTH")

response = get(URL,headers = headers)

results= response.json()

for item in results.items():
    print(item)