Update app.py

app.py

@@ -9,7 +9,7 @@ snapshot_download('speech_tts/speech_kantts_ttsfrd', revision='v1.0.3', allow_fi
 os.system('cd pretrained_models/speech_kantts_ttsfrd/ && pip install ttsfrd-0.3.6-cp38-cp38-linux_x86_64.whl')
 os.system('sed -i s@pydantic.typing@typing_extensions@g /opt/conda/lib/python3.8/site-packages/inflect/__init__.py')
 
-os.system("sudo apt-get install sox libsox-dev")
+os.system("apt-get install sox libsox-dev")
 os.system("pip uninstall torchaudio -y")
 os.system("pip install torchaudio")