Bump click 7.1.2 -> 8.0.1
Bump opencv_python 4.2.0.34 -> 4.5.2
Bump torch 1.4.0 -> 1.8.1
Bump torchvision 0.5.0 -> 0.9.1
Bump pandas 0.23.3 -> 1.2.4
Bump pytorch_lightning 0.7.2 -> 1.3.5
Bump tqdm 4.46.0 -> 4.61.0
Bump scikit_learn 0.23.1 -> 0.24.2
Update code to match the latest version of PyTorch Lightning