Update app.py

app.py

@@ -3,10 +3,10 @@ import subprocess
 
 def synthesize_text(text):
     # Replace 'piper_cli_script.py' with the path to your Piper CLI script
-    command = ['python', 'piper_cli_script.py', '--model', 'model_path.onnx', '--text', text]
+    command = ['python', '/piper/__main__.py', '--model', 'https://huggingface.co/rhasspy/piper-voices/blob/v1.0.0/en/en_GB/alan/medium/en_GB-alan-medium.onnx', '--text', text]
     result = subprocess.run(command, capture_output=True, text=True)
     # Handle result and output file path
-    return 'path_to_output_audio.wav'
+    return '/path_to_output_audio.wav'
 
 iface = gr.Interface(
     fn=synthesize_text,