Update app.py

app.py

@@ -429,7 +429,7 @@ with gr.Blocks() as demo:
     gr.Markdown("# QLoRA Fine-tuning & RAG-based Chat Demo using Custom R1 Model")
     gr.Markdown("---")
 
-    gr.TabbedInterface(  # <-- This should be inside `with gr.Blocks()`
+    gr.TabbedInterface(
         [
             gr.Interface(
                 fn=finetune_small_subset,
@@ -473,10 +473,9 @@ with gr.Blocks() as demo:
                 textbox=gr.Textbox(placeholder="Ask a question to the RAG Chatbot...", lines=2, show_label=False),
                 title="💬 RAG Chat",
                 description="Chat with the custom R1 model, enhanced with retrieval-augmented memory. The model retrieves relevant info for informed responses.",
-                submit_button="➡️ Send",
-                clear_btn=None
+                clear_btn=None  # Keep if needed, or remove entirely
             )
         ]
-    )  # <-- No `render()`, just close `gr.TabbedInterface()`
+    )
 
 demo.launch()