updatation

app.py

@@ -143,15 +143,14 @@ def export_chat_files(history):
 # ----------------------
 # Core chat function
 # ----------------------
-def generate_reply(user_msg: str, history: Optional[List[List[str]]]):
+def generate_reply(user_msg: str, history):
     if history is None:
         history = []
 
-    user_msg = user_msg.strip()
-    if not user_msg:
+    if not user_msg.strip():
         return history
 
-    # ----- INTENT HANDLING -----
+    # Prepare prompt
     intent = None
     low = user_msg.lower()
     for key in INTENT_TEMPLATES:
@@ -160,23 +159,20 @@ def generate_reply(user_msg: str, history: Optional[List[List[str]]]):
             user_msg = user_msg[len(key):].strip()
             break
 
-    system_prefix = INTENT_TEMPLATES.get(intent, None)
+    system_prefix = INTENT_TEMPLATES.get(intent, "")
     if system_prefix:
         prompt = f"{system_prefix}\nUser: {user_msg}"
     else:
         prompt = f"User: {user_msg}"
 
+    # Generate bot reply
     bot_reply = bot.ask(prompt)
     ts = now_ts()
-    bot_reply_final = f"{bot_reply}\n\n🕒 {ts}"
+    bot_reply_ts = f"{bot_reply}\n\n🕒 {ts}"
 
-    # ------------------------------
-    # FIX: Store in GRADIO-CHATBOT FORMAT
-    # ["user message", "assistant reply"]
-    # ------------------------------
-    history.append([user_msg, bot_reply_final])
+    # ---- FIX: Append pair (user, bot) ----
+    history.append((user_msg, bot_reply_ts))
 
-    # ---- Save to memory (optional) ----
     try:
         memory.add(user_msg, bot_reply)
     except:
@@ -310,37 +306,28 @@ PAGE_JS = """
 # ----------------------
 # UI
 # ----------------------
-
 with gr.Blocks(title="Tayyab — Chatbot") as demo:
 
     gr.HTML(f"""
-    <style>
-    {CUSTOM_CSS}
-    </style>
-
-    <script>
-    {PAGE_JS}
-    </script>
+    <style>{CUSTOM_CSS}</style>
+    <script>{PAGE_JS}</script>
     """)
 
-    # your UI components here...
-
-
     with gr.Row():
         with gr.Column(scale=1, min_width=220):
             gr.Markdown("### ⚡ Tools & Export")
 
             new_chat_btn = gr.Button("➕ New Chat", elem_classes="tool-btn")
             export_btn = gr.Button("📥 Export TXT/PDF", elem_classes="tool-btn")
-            
-                        # Export output panel
+
             with gr.Accordion("📄 Exported Files", open=False):
                 file_txt = gr.File(label="Download TXT", visible=False)
                 file_pdf = gr.File(label="Download PDF", visible=False)
 
         with gr.Column(scale=3, elem_id="main_card"):
             gr.Markdown("<h3>Smart Learning Assistant - Tayyab</h3>")
-            chatbot = gr.Chatbot(height=480, elem_id="chatbot_box", avatar_images=(None, None), type="value")
+
+            chatbot = gr.Chatbot(height=480, elem_id="chatbot_box")  # FIXED
 
             with gr.Row():
                 msg = gr.Textbox(
@@ -353,34 +340,23 @@ with gr.Blocks(title="Tayyab — Chatbot") as demo:
                 mic_btn = gr.Button("🎤 Voice input", elem_classes="icon-btn")
                 mic_btn.click(None, None, None, js='startVoiceRecognition("message-box")')
 
-    
-    # Backend connections
     send_btn.click(generate_reply, [msg, chatbot], [chatbot])
     msg.submit(generate_reply, [msg, chatbot], [chatbot])
-    
+
     def new_chat():
         memory.clear()
         return []
 
     new_chat_btn.click(new_chat, outputs=[chatbot])
 
-
     def export_handler(history):
-        if history is None:
-            history = []
-
         files = export_chat_files(history)
-
         return (
             gr.update(value=files["txt"], visible=True),
-            gr.update(value=files["pdf"], visible=(files["pdf"] is not None))
+            gr.update(value=files["pdf"], visible=files["pdf"] is not None)
         )
 
-    export_btn.click(
-            export_handler,
-            inputs=[chatbot],
-            outputs=[file_txt, file_pdf]
-        )
+    export_btn.click(export_handler, inputs=[chatbot], outputs=[file_txt, file_pdf])
 
 if __name__ == "__main__":
     demo.launch()