Update

app.py

@@ -5,7 +5,7 @@ from google.oauth2 import service_account
 
 def auth():
     with open("/tmp/token.json", "w") as token_f:
-        google_key = os.getenv["GOOGLE_KEY"]
+        google_key = os.getenv("GOOGLE_KEY")
         token_f.write(google_key)
         
     credentials = service_account.Credentials.from_service_account_file('/tmp/token.json')