i tried to use
pip3 install torch==1.8.0+cu111 torchvision==0.9.0+cu111 torchaudio==0.8.0 -f https://download.pytorch.org/whl/torch_stable.html
but got
Installing collected packages: torch, torchvision, torchaudio
ERROR: Could not install packages due to an OSError: [Errno 28] No space left on device