Update app.py

app.py

@@ -21,7 +21,7 @@ def text_to_speech(text):
     # Running Vocoder (spectrogram-to-waveform)
     waveforms = hifi_gan.decode_batch(mel_output)
     # Save the waverform
-    outfile = f"{os.path.join(os.getcwd(), uuid.uuid4())}.wav"
+    outfile = f"{os.path.join(os.getcwd(), str(uuid.uuid4()))}.wav"
     torchaudio.save(outfile, waveforms.squeeze(1), 22050)
     return outfile