Update app.py

app.py

@@ -30,7 +30,7 @@ interface = gr.Interface(
     fn=generate_tts_audio,
     inputs=[
         gr.Textbox(label="Text to Synthesize", placeholder="Enter your text here..."),
-        gr.Textbox(label="Audio Prompt URL", placeholder="Enter the URL of the audio prompt (Optional)", default='https://github.com/gradio-app/gradio/raw/main/test/test_files/audio_sample.wav'),
+        gr.Textbox(label="Audio Prompt URL"),
         gr.Slider(minimum=0, maximum=1, default=0.5, label="Exaggeration"),
         gr.Slider(minimum=0, maximum=1, default=0.8, label="Temperature"),
         gr.Number(label="Seed Number", value=0),