Update app.py

app.py

@@ -41,7 +41,7 @@ with gr.Blocks() as demo:
             top_p = gr.Slider(label="Top P", minimum=0, maximum=1, value=0.9)
             tools = gr.Textbox(label="Tools (JSON format)", optional=True, placeholder="Enter tools as JSON", value="{\"spellcheck\": true, \"grammar_check\": false}")
             tool_choice = gr.Textbox(label="Tool Choice", value="spellcheck", placeholder="Enter tool choice")
-            user = gr.Textbox(label="User", optional=True, placeholder="Enter user identifier", value="user123")
+            user = gr.Textbox(label="User", placeholder="Enter user identifier", value="user123")
 
         with gr.Column():
             submit_btn = gr.Button("Submit")