Merge branch 'andife-patch-5' of https://github.com/onnx/optimizer into andife-patch-5

Author: andife

setup.cfg

@@ -8,7 +8,7 @@ addopts = --nbval --current-env
 testpaths = onnxoptimizer/test/
 
 [metadata]
-license_file = LICENSE
+license_files = LICENSE
 
 [flake8]
 select = B,C,E,F,P,T4,W,B9