pytorch

52699f07 - Change default value of unique to 'sorted=True'

Change default value of unique to 'sorted=True' Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/15379 Differential Revision: D13531287 Pulled By: ezyang fbshipit-source-id: 1512da7d660dc413688d99264e6434897c3ac78c