It’s working for me:
pip install torch==1.9.0+cu111 -f  https://download.pytorch.org/whl/cu111/torch_stable.html
Looking in indexes: https://pypi.org/simple, https://pypi.ngc.nvidia.com
Looking in links: https://download.pytorch.org/whl/cu111/torch_stable.html
Collecting torch==1.9.0+cu111
  Downloading https://download.pytorch.org/whl/cu111/torch-1.9.0%2Bcu111-cp38-cp38-linux_x86_64.whl (2041.3 MB)
     |████████████████████████████████| 2041.3 MB 87 kB/s 
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