Update app.py

app.py

@@ -4,6 +4,7 @@ from transformers import Wav2Vec2ForCTC, Wav2Vec2Tokenizer
 import gradio as gr
 from transformers import pipeline
 import IPython.display as display
+import soundfile as sf
 def speech_text(audio_file):
   tokenizer = Wav2Vec2Tokenizer.from_pretrained("facebook/wav2vec2-base-960h")
   model = Wav2Vec2ForCTC.from_pretrained("facebook/wav2vec2-base-960h")