'taichi' has no attribute 'TaichiOperations'

[JaeHyunLee94]

'taichi' has no attribute 'TaichiOperations'

tina cannot found TaichiOperation.,.

After I had downgraded the taichi version under 0.7.17, the problem solved.

can you address this problem over 0.7.18?

thank you.

[xuhao1]

This pull request fix the issue. #41