Update app.py

app.py

@@ -133,7 +133,7 @@ with gr.Blocks(css=".gradio-container {background-color: lightgray;} #btn {backg
                 + "</h1>")
     with gr.Row():
         with gr.Column():  
-            input_audio_text = gr.Dropdown(label="Input Audio",choices=["Please select any of the following options","Angry", "Happy", "Sad", "Disgust","Fear", "Surprise", "Neutral"],interactive=True)
+            input_audio_text = gr.Dropdown(label="Input Audio",choices=["Please select any of the following options","Angry", "Happy", "Sad", "Disgust","Fear", "Surprise", "Neutral"],value='Please select any of the following options',interactive=True)
             audio_ui=gr.Audio()
             input_audio_text.change(return_audio_clip,input_audio_text,audio_ui)