Update app.py

app.py

@@ -12,7 +12,8 @@ def install_packages():
     
     # Install compatible versions in a specific order
     subprocess.check_call([sys.executable, "-m", "pip", "install", "websockets==10.4"])
-    subprocess.check_call([sys.executable, "-m", "pip", "install", "gradio==3.35.0"])
+    # Updated Gradio to a more recent version
+    subprocess.check_call([sys.executable, "-m", "pip", "install", "gradio==4.8.0"])
     subprocess.check_call([sys.executable, "-m", "pip", "install", "gradio-client==0.5.0"])
     
     # Install the rest of the requirements
@@ -248,20 +249,20 @@ with gr.Blocks() as demo:
     with gr.Tabs():
         # Chat tab
         with gr.TabItem("Chat"):
+            # Using a simpler chat interface
             chatbot = gr.Chatbot(height=500)
             msg = gr.Textbox(label="Your Question", placeholder="Type your question here...")
             clear = gr.Button("Clear Conversation")
             
-            def user(user_message, history):
-                return "", history + [[user_message, None]]
+            def respond(message, chat_history):
+                if not message:
+                    return "", chat_history
+                
+                bot_message = chat(message, chat_history)
+                chat_history.append((message, bot_message))
+                return "", chat_history
             
-            def bot(history):
-                user_message = history[-1][0]
-                response = chat(user_message, history[:-1])
-                history[-1][1] = response
-                return history
-            
-            msg.submit(user, [msg, chatbot], [msg, chatbot]).then(bot, chatbot, chatbot)
+            msg.submit(respond, [msg, chatbot], [msg, chatbot])
             clear.click(lambda: None, None, chatbot, queue=False)
         
         # History tab