Update app.py

app.py

@@ -211,6 +211,8 @@ def voice_conversion(apikey, ta, audio, choice1):
 
     rate1, data1 = read("output.wav")
 
+    data1 = np.asarray(data1, dtype=np.int16)
+
     write(target_audio, ta[0], ta[1])
     write(reference_audio, rate1, data1)
     write(driving_audio, rate1, data1)