Update app.py

app.py

@@ -1235,7 +1235,7 @@ with gr.Blocks(css=css, title="ASR Dataset Labeling Tool") as demo:
     with gr.Column(visible=True, elem_id="login_container") as login_container:
         gr.Markdown("## HF Authentication")
         # hf_token_input default value is also from env var, or empty.
-        hf_token_input = gr.Textbox(label="Hugging Face Token", type="password", "")
+        hf_token_input = gr.Textbox(label="Hugging Face Token", type="password", value="")
         login_button = gr.Button("Login")
         login_message = gr.Markdown("")