NLTK >= 3
python-dateutil <2.8.1,>=2.1
numpy >= 1.16.2,!=1.19.4 
pandas >= 0.25.1
schema >= 0.6.8
scikit-learn >= 0.22.1, <= 0.23.2
torchvision >= 0.5.0, <= 0.8.1
torch >= 1.4.0, <= 1.7.0
xlrd >= 1.0.0
requests >= 2.0.0
transformers >= 2.10.0, <= 4.0.0
lightgbm >= 3.1.1
optuna >= 2.4.0