Changing type and name of local_used_maps to reflect that it is only one map (#65380)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/65380
Fixing bugs that arise when running setup.py develop
cc pietern mrshenli pritamdamania87 zhaojuanmao satgera rohan-varma gqchen aazzolini osalpekar jiayisuse SciPioneer H-Huang gcramer23
Test Plan: Imported from OSS
Reviewed By: mrshenli
Differential Revision: D31104844
Pulled By: jaceyca
fbshipit-source-id: acfd4cf316c71177df758ca55b470f51a17f776b
