fix: radio button visibility by uninterative mode

src/obs_eval_gradio.py

@@ -163,6 +163,7 @@ def show_audio_transcript(video_file, api_key):
 def change_audio_rubric(choice):
     if choice == "Video only":
         return gr.Textbox(
+            lines=0,    
             placeholder="(Deprecated)",
             interactive=False,
             visible=False
@@ -180,6 +181,7 @@ def change_audio_rubric(choice):
 def change_audio_eval(choice):
     if choice == "Video only":
         return gr.Textbox(
+            lines=0,  
             visible=False,
             placeholder="(Deprecated)",
             interactive=False,