Fix lint errors in cuda_ReportMemoryUsage tests (#62778)
Summary:
Introduced in https://github.com/pytorch/pytorch/commit/8bbcef5096e652594c6731092322ef24c5236553
Pull Request resolved: https://github.com/pytorch/pytorch/pull/62778
Reviewed By: chaekit, driazati
Differential Revision: D30120245
Pulled By: malfet
fbshipit-source-id: 2cb5755b870182dd147a6685c74f7defcc10030a
