Update app.py

app.py

@@ -271,7 +271,7 @@ else:  # Option is "Record audio"
                         const audioUrl = URL.createObjectURL(audioBlob);
                         const a = document.createElement('a');
                         a.href = audioUrl;
-                        a.download = 'recorded_audio.wav';
+                        a.download = './recorded_audio.wav';
                         document.body.appendChild(a);
                         a.click();