Update hardware_qa_assistant_lang_graph_gradio_demo_version_users.py

hardware_qa_assistant_lang_graph_gradio_demo_version_users.py

@@ -1439,7 +1439,12 @@ def build_gradio_blocks(auth_secret: Optional[str] = None):
                     ocr_backend = gr.Dropdown(choices=["paddle","tesseract","auto"], value=OCR_BACKEND, label="OCR backend")
                     do_web_search = gr.Checkbox(value=True if tavily else False, label="Use Tavily web search if needed")
 
-                chat = gr.Chatbot(height=560, elem_id="chatui", type="messages")
+
+                try:
+                    chat = gr.Chatbot(height=560, elem_id="chatui", type="messages")
+                except TypeError:
+                    # Gradio 6.5.1: Chatbot has no `type=` kwarg
+                    chat = gr.Chatbot(height=560, elem_id="chatui")
 
                 # Uploader + Vision checkbox side-by-side (compact)