Update app.py

app.py

@@ -3,6 +3,7 @@ from sad_tf import *
 from autosub import SpeechRecognizer
 from autosub import GOOGLE_SPEECH_API_KEY
 import soundfile as sf
+import io
 
 
 seg = Segmenter(ffmpeg_path="ffmpeg",model_path="keras_speech_music_noise_cnn.hdf5" , device="cpu",vad_type="vad")