Update app.py

app.py

@@ -654,7 +654,6 @@ def generate_with_streaming(messages, model, max_tokens=8192, temperature=0.7, t
         track_usage("user123", str(messages[-1]) if messages else "", 
                    end_time - start_time, len(str(messages)))
 
-# Continue to Part 2...
 def respond(message, chat_history, model_choice, max_tokens, temperature, top_p, 
            creativity, precision, system_prompt, use_web_search, research_mode, theme):
     """Main response handler with conversation history"""
@@ -935,7 +934,11 @@ with gr.Blocks(title="GPT-OSS Research Assistant") as demo:
     export_btn.click(
         export_conversation,
         [chatbot, export_format],
-        [export url_button.click(
+        [export_output]
+    )
+    
+    # URL processing events
+    url_button.click(
         process_url_content,
         [url_input],
         [url_output]
@@ -955,4 +958,4 @@ with gr.Blocks(title="GPT-OSS Research Assistant") as demo:
     )
 
 if __name__ == "__main__":
-    demo.launch()
+    demo.launch()