Solved by Dhruv_Vashist in post #3 
              
              
                Here pip tries to load pre-downloaded files. 
Instead of using 
pip install torch==1.8.0+cu111 torchvision==0.9.0+cu111 torchaudio===0.8.0 -f https://download.pytorch.org/whl/torch_stable.html

We use 
pip --no-cache-dir install torch==1.8.0+cu111 torchvision==0.9.0+cu111 torchaudio===0.8.0 -f https…