Update app.py

app.py

@@ -13,7 +13,7 @@ def TTS(text):
    with torch.no_grad():
         output = model(**inputs).waveform 
    with tempfile.NamedTemporaryFile(suffix=".wav", delete=False) as fp:
-        torchaudio.save(fp, output, model.config.sampling_rate)
+        torchaudio.save(fp, output, model.config.sampling_rate,format="wav")
         return fp.name
 iface = gr.Interface(fn=TTS, inputs="text", outputs="audio")
 iface.launch(share=False)