Update app.py

app.py

@@ -6,6 +6,7 @@ os.system("python -m unidic download")
 import nltk
 nltk.download('averaged_perceptron_tagger_eng')
 import gradio as gr
+callback = gr.CSVLogger()
 from espnet2.bin.tts_inference import Text2Speech
 from espnet2.utils.types import str_or_none
 lang = 'English'