allow numpy-like boolean-list indexing in pytorch (#14932)
Summary:
Suggested fix to issue #6773, the fix allows numpy-like boolean-list indexing in pytorch
Pull Request resolved: https://github.com/pytorch/pytorch/pull/14932
Differential Revision: D13398795
Pulled By: ezyang
fbshipit-source-id: 67f8daf9829db2550ff76d2bde673be6dd2708cd
