fix block._id

the gr.Slider is a block, and it's value is acquired with ._id field

app.py

@@ -114,7 +114,8 @@ with gr.Blocks(css="style.css") as demo:
     ]
     chat_btn.click(
         fn=infer,
-        inputs=chat_inputs,
+        # inputs=chat_inputs,
+        inputs=chat_inputs + [tokens],
         outputs=chat_outputs,
     )