Update app.py

app.py

@@ -81,7 +81,7 @@ with gr.Blocks(theme=gr.themes.Soft(primary_hue="blue", secondary_hue="sky"), cs
             regenerate_button = gr.Button("🔄 Regenerate")
 
 
-    # --- 4. EVENT HANDLERS (with final fix) ---
+    # --- 4. EVENT HANDLERS (RADICALLY SIMPLIFIED) ---
     def user_submit(user_message, history, system, temp, top_p):
         yield gr.update(value=""), history + [[user_message, None]]
         for updated_history in chat_stream(user_message, history, system, temp, top_p):
@@ -95,23 +95,31 @@ with gr.Blocks(theme=gr.themes.Soft(primary_hue="blue", secondary_hue="sky"), cs
 
     clear_button.click(clear_chat, [], [chatbot, chat_history], queue=False)
     
+    # --- THIS FUNCTION IS NOW MUCH SIMPLER ---
     def regenerate_response(history, system, temp, top_p):
+        """
+        This simplified function only updates the visible chatbot.
+        It avoids the complex interactions that were causing the startup crash.
+        """
         if not history:
-            yield [], []
+            # If there's no history, do nothing.
             return
 
         last_user_message = history[-1][0]
-        history = history[:-1]
+        # The history state used for the stream is now managed internally.
+        reduced_history = history[:-1]
         
-        for updated_history in chat_stream(last_user_message, history, system, temp, top_p):
-            # --- THIS IS THE FIX ---
-            # Yield a value for EACH output component (chatbot and chat_history)
-            yield updated_history, updated_history
+        for updated_history in chat_stream(last_user_message, reduced_history, system, temp, top_p):
+            # The yield now only targets the single output component.
+            yield updated_history
 
+    # --- THE CLICK HANDLER IS NOW SIMPLER ---
     regenerate_button.click(
         regenerate_response,
+        # Inputs remain the same
         [chat_history, system_prompt, temperature, top_p],
-        [chatbot, chat_history]
+        # Output is now ONLY the visible chatbot component
+        [chatbot]
     )
 
 # --- 5. LAUNCH THE APP ---