Update app.py

app.py

@@ -461,11 +461,11 @@ def invoke (prompt, file, history, rag_option, model_option, openai_api_key, k=3
             yield history, "Generating"
             if shared_state.interrupted:
                 shared_state.recover()
-            try:
-                yield history, "Stop: Success"
-                return
-            except:
-                pass
+                try:
+                    yield history, "Stop: Success"
+                    return
+                except:
+                    pass
       
 ################################################
 #GUI