Update app.py

app.py

@@ -167,6 +167,7 @@ h1 {
         with gr.Column(scale=1):
             chatbot_ui = gr.Chatbot(value=[], label="Chat History")
         with gr.Column(scale=2):
+            # Create the "+" button for uploading
             upload_button = gr.Button("+", elem_id="upload_btn", visible=True, interactive=True)
             upload_section = gr.File(label="Upload NPY Image", type="filepath", visible=False)
             upload_status = gr.Textbox(label="Status", interactive=False)