Update app.py

app.py

@@ -11,6 +11,7 @@ os.system('pip install googletrans==3.1.0a0')
 os.system('pip install pydub')
 os.system('pip3 install transformers==4.11.3 soundfile sentencepiece torchaudio librosa')
 os.system('mv ./Wav2Lip/* .')
+os.system('pip install -r requirements.txt')
 
 title = "Automatic translation and dubbing for Indic Languages"
 description = "A demo application to dub and translate videos spoken in Tamil, Hindi, Bengali and Telugu"