Update app.py

app.py

@@ -73,6 +73,7 @@ def _do_tts(model_id, ipa, ref_wav, ref_transcript, speed):
     with torch.inference_mode():
         model = models_config[model_id]["model"].cuda()
         ref_wav = librosa.load(ref_wav, sr=model.sampling_rate)[0]
+        ipa = ipa + " <sil>"
         print(ref_transcript + ipa)
         text = model.tokenizer([ref_transcript + ipa]).to(model.device)