Update app.py

app.py

@@ -7,6 +7,6 @@ gr.Interface(
     fn=fn.speech_to_text,
     inputs=[
         gr.Audio(sources="upload", type="filepath"),
-        gr.Dropdown(value=model_size, choices=["tiny", "base", "small", "medium", "large", "large-v2", "large-v3"]),
+        gr.Dropdown(value='large-v3', choices=["tiny", "base", "small", "medium", "large", "large-v2", "large-v3"]),
         ],
     outputs=["text", "text"]).launch()