Add oneflow backend

[rentainhe]

Introduction

Hello! I try to add OneFlow backend into einops, here's my PR~

TODO

• Add OneFlow backend
• Tests

Question

• How should I do some tests based on the new Backend? I've already do some simple tests based on the basic usage of einops and all of them worked, but how should I do some official tests on more cases~

[arogozhnikov]

Well written, thanks.

Tests are expected to work on both linux and mac.
Oneflow seems to provide wheels only for linux, so I've made some adjustments to skip it in non-linux tests.

[rentainhe]

Well written, thanks.

Tests are expected to work on both linux and mac. Oneflow seems to provide wheels only for linux, so I've made some adjustments to skip it in non-linux tests.

Thanks a lot ! ! ! I really appreciate your work, thanks for adding OneFlow as backend~

[rentainhe]

sorry, I forgot to update the README, could you help me to add oneflow in README? Thanks a lot~ @arogozhnikov

[arogozhnikov]

yup, done