Update app.py

app.py

@@ -42,7 +42,7 @@ def audio_transfer(prompt, audio):
     rate, data = wavfile.read(audio)
     
     # convert to mono
-    data = np.mean(data, axis=int(1))
+    data = np.mean(data, axis=0)
     
     # convert to float32
     data = data.astype(np.float32)