Update app.py

app.py

@@ -246,28 +246,28 @@ with gr.Blocks() as demo:
         clear_btn = gr.Button("Clear")
 
     def protected_generate_response(message, history, use_web_search, model, temperature, num_calls, is_generating, stop_clicked):
-            if is_generating:
-                return message, history, is_generating, stop_clicked
-            is_generating = True
-            stop_clicked = False
-            
-            try:
-                if use_web_search:
-                    main_content, sources = get_response_with_search(message, model, num_calls=num_calls, temperature=temperature)
-                    formatted_response = f"{main_content}\n\nSources:\n{sources}"
-                else:
-                    response = get_response_from_pdf(message, model, num_calls=num_calls, temperature=temperature)
-                    formatted_response = response
+        if is_generating:
+            return message, history, is_generating, stop_clicked
+        is_generating = True
+        stop_clicked = False
         
-                if not stop_clicked:
-                    # Only append the final, combined response to the history
-                    history.append((message, formatted_response))
-            except Exception as e:
-                print(f"Error generating response: {str(e)}")
-                history.append((message, "I'm sorry, but I encountered an error while generating the response. Please try again."))
-            
-            is_generating = False
-            return "", history, is_generating, stop_clicked
+        try:
+            if use_web_search:
+                main_content, sources = get_response_with_search(message, model, num_calls=num_calls, temperature=temperature)
+                formatted_response = f"{main_content}\n\nSources:\n{sources}"
+            else:
+                response = get_response_from_pdf(message, model, num_calls=num_calls, temperature=temperature)
+                formatted_response = response
+    
+            if not stop_clicked:
+                # Only append the final, combined response to the history
+                history.append((message, formatted_response))
+        except Exception as e:
+            print(f"Error generating response: {str(e)}")
+            history.append((message, "I'm sorry, but I encountered an error while generating the response. Please try again."))
+        
+        is_generating = False
+        return "", history, is_generating, stop_clicked
             
     submit_btn.click(
         protected_generate_response,