Update app.py

app.py

@@ -5,7 +5,7 @@ import requests
 processed_inputs = {}
 
 def process_inputs(model_id, q_method, email, oauth_token: gr.OAuthToken | None, profile: gr.OAuthProfile | None):
-    if oauth_token.token is None or profile.username is None:
+    if oauth_token is None or oauth_token.token is None or profile.username is None:
         return "You must be logged in to use this service."
 
     if not model_id or not q_method or not email: