replace blacklist in caffe2/python/onnx/frontend.py (#41777)
Summary:
Close https://github.com/pytorch/pytorch/issues/41712
Pull Request resolved: https://github.com/pytorch/pytorch/pull/41777
Reviewed By: izdeby
Differential Revision: D22648532
Pulled By: yinghai
fbshipit-source-id: 7f4c9f313e2887e70bb4eb1ab037aea6b549cec7
