"CharTensor" numpy conversion is supported now (#21458)
Summary:
Fixed #21269 by removed the the expected `ValueError` when converting a tensor to a Numpy `int8` array in the Numba interoperability test.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/21458
Differential Revision: D15696363
Pulled By: ezyang
fbshipit-source-id: f4ee9910173aab0b90a757e75c35925b026d1cc4
