Update app.py

app.py

@@ -1,6 +1,6 @@
 import os
 os.system("git clone https://github.com/v-iashin/SpecVQGAN")
-os.system("pip install pytorch-lightning==1.2.10 omegaconf==2.0.6 streamlit==0.80 matplotlib==3.4.1 albumentations==0.5.2 SoundFile torch torchvision")
+os.system("pip install pytorch-lightning==1.2.10 omegaconf==2.0.6 streamlit==0.80 matplotlib==3.4.1 albumentations==0.5.2 SoundFile torch torchvision librosa")
 
 from pathlib import Path
 import soundfile