Update app.py

app.py

@@ -174,7 +174,7 @@ def process_audio(audio_file):
 demo = gr.Interface(process_audio, 
                     [gr.Audio(label="Upload Audio",type="filepath",sources=['upload', 'microphone'])], 
                     [gr.Audio(label="Play Audio"),gr.File(label="Download Audio File"),gr.Textbox(label="Duration")],    
-                    examples=['audio/audio.wav']
+                    examples=['./audio/audio.wav'],
                     cache_examples=True)
 
 demo.launch(debug=True)