Update app.py

app.py

@@ -137,8 +137,8 @@ def main(video, prompt, role, temperature, max_new_tokens, model, processor, str
         gr.Warning('Verifier cannot be used without Grounder.')
         return history
 
-    if 'pla' in role and any(k not in role for k in ('gnd', 'ver', 'ans')):
-        gr.Warning('Planner can only be used when all other roles are selected.')
+    if 'pla' in role and 'gnd' not in role and 'ver' not in role:
+        gr.Warning('Planner can only be used with Grounder and Verifier.')
         return history
 
     history.append({'role': 'user', 'content': prompt})