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pip3 install -r requirements.txt -i https://mirrors.aliyun.com/pypi/simple
# CUDA 11.1
pip3 install torch==1.8.1+cu111 torchvision==0.9.1+cu111 torchaudio==0.8.1 -f https://download.pytorch.org/whl/torch_stable.html
pip3 freeze > requirements.txt
pip3 install pipenv -i https://mirrors.aliyun.com/pypi/simple
pipenv lock -r > requirements.txt