Update app.py

app.py

@@ -51,10 +51,8 @@ def run_app(model_filename, config_filename):
     )
     gr.Parallel(interface_demucs, interface_spectral_gating,
                 title="Denoising",
-                examples=[
-                    ["testing/wavs/p232_071.wav"],
-                    ["testing/wavs/p232_284.wav"],
-                ]).launch(server_name='0.0.0.0',
+                examples=[[path] for path in Path("testing/wavs/").glob("*.wav")]
+                ).launch(server_name='0.0.0.0',
 			  server_port=7860)