Update app.py

app.py

@@ -636,7 +636,7 @@ with gr.Blocks() as demo:
         additional_inputs=[
             gr.Number(0.44, label="confidence threshold", show_label=True, minimum=0., maximum=1.0, step=0.1),
             gr.Checkbox(label="multiple", info="Allow multiple request code numbers"),
-            gr.Number(3, label="maximum number of request codes", show_label=True, minimum=1, step=1, precision=0)
+            gr.Number(3, label="maximum number of request codes", show_label=True, minimum=0, step=1, precision=0)
         ],
         # type="messages",
         chatbot=gr.Chatbot(height=800),