bert4keras==0.11.3 xlwt==1.3.0 xlrd==1.2.0 torch==1.11.0 Flask==2.0.1 Flask-Cors==3.0.10 scikit-learn==1.1.2 nlpcda==2.5.8 pyltp==0.4.0 PyMySQL==0.9.2 numpy==1.20.1