添加requirements.txt

requirements.txt

+certifi==2020.4.5.1
+chardet==3.0.4
+grpcio==1.29.0
+grpcio-tools==1.29.0
+idna==2.9
+numpy==1.18.4
+pandas==1.0.3
+protobuf==3.12.1
+python-dateutil==2.8.1
+pytz==2020.1
+requests==2.23.0
+scikit-learn==0.19.1
+scipy==1.4.1
+six==1.15.0
+threadpoolctl==2.0.0
+urllib3==1.25.9
+xlrd==1.2.0