tensorflow==1.15.0 tensorflow-hub==0.11.0 scikit-learn==0.20.3 statsmodels==0.11.1 opencv-python==4.5.1.48 pandas==0.24.2 scikit-learn==0.20.3 seaborn==0.9.0 scipy==1.4.1 numpy==1.18.5 graphviz==0.16