[TensorExpr] PyBind: bind ExternalCalls. (#52905)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/52905
Differential Revision: D26707491
Test Plan: Imported from OSS
Reviewed By: Chillee
Pulled By: ZolotukhinM
fbshipit-source-id: e1ea3b3630d115e3d81842895c62e22c4cb06fb8
Author
Mikhail Zolotukhin
