Update app.py

app.py

@@ -1,7 +1,7 @@
-"""
-Smart Excel Analyst - Hugging Face Space
-Nepali + English Excel Analytics with AI Chat
-"""
+# ==========================================
+# Smart Excel Analyst - Hugging Face Space
+# Nepali + English Excel Analytics with AI Chat
+# ==========================================
 
 import gradio as gr
 import pandas as pd
@@ -205,8 +205,8 @@ def chat(msg, hist):
     if not msg or not msg.strip():
         return "", hist
 
+    # ✅ Gradio 6.x: dict format with role/content
     if current_df is None:
-        # ✅ FIXED: Use dict format for messages
         hist.append({"role": "user", "content": msg})
         hist.append({"role": "assistant", "content": "❌ Please upload an Excel file first!"})
         return "", hist
@@ -262,8 +262,8 @@ Answer based ONLY on the data above."""
         )
 
         reply = response.choices[0].message.content.strip()
-        
-        # ✅ FIXED: Use dict format with role and content
+
+        # ✅ Gradio 6.x dict message format
         hist.append({"role": "user", "content": msg})
         hist.append({"role": "assistant", "content": f"🤖 {reply}"})
         return "", hist
@@ -275,12 +275,13 @@ Answer based ONLY on the data above."""
 
 
 # ==========================================
-# GRADIO UI
+# GRADIO 6.x UI
 # ==========================================
 css = """
 .gradio-container {font-family: 'Segoe UI', sans-serif;}
 """
 
+# ✅ Gradio 6.x: title only in gr.Blocks(), theme/css go in launch()
 with gr.Blocks(title="Smart Excel Analyst") as demo:
 
     gr.Markdown("""
@@ -329,8 +330,8 @@ with gr.Blocks(title="Smart Excel Analyst") as demo:
     - `Who has the highest loan amount?`
     """)
 
-    # ✅ FIXED: Added type="messages" for new Gradio format
-    chatbot = gr.Chatbot(height=450, type="messages")
+    # ✅ Gradio 6.x: NO type argument - uses dict format by default
+    chatbot = gr.Chatbot(height=450)
 
     with gr.Row():
         with gr.Column(scale=4):
@@ -356,8 +357,11 @@ with gr.Blocks(title="Smart Excel Analyst") as demo:
     send_btn.click(chat, inputs=[msg_input, chatbot], outputs=[msg_input, chatbot])
     msg_input.submit(chat, inputs=[msg_input, chatbot], outputs=[msg_input, chatbot])
 
-# ✅ FIXED: Use server_name and server_port for HuggingFace
+# ✅ Gradio 6.x: theme and css go in launch(), server_name for HF Spaces
 demo.launch(
     server_name="0.0.0.0",
-    server_port=7860
+    server_port=7860,
+    theme=gr.themes.Soft(),
+    css=css,
+    ssr_mode=False
 )