ModuleNotFoundError: No module named 'tools.nnwrap'
# for OS: Windows, package-manager: pip, Language: python3.6 (below command is valid for only mentioned python 3.6)
pip3 install https://download.pytorch.org/whl/cu90/torch-1.1.0-cp36-cp36m-win_amd64.whl
pip3 install https://download.pytorch.org/whl/cu90/torchvision-0.3.0-cp36-cp36m-win_amd64.whl