Correctly handle scalar types, fix parse of numpy ints (#30486)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/30486
Fixes: https://github.com/pytorch/pytorch/issues/29252
There is some incorrect code in the handling of parsing python numbers that led to issue #29252:
When we allow interpretation of a zero-dim numpy integer value
as a scalar in pytorch, we incorrectly parse the int as a float.
This PR also fixes the issue described in the "FIXME" here:
https://github.com/pytorch/pytorch/pull/27628/files#diff-f539198dd366265fb8dc2d661bc5d5bcR1487
Test Plan: Added a unit test based on the example given in the issue.
Differential Revision: D18932520
Pulled By: nairbv
fbshipit-source-id: f6416f28dfd73ac72c1042042851d76beb5fcf65
