Fix attr_to_scope's key in `torch/utils/tensorboard/_pytorch_graph.py` (#65692)
Summary:
Fixes https://github.com/pytorch/pytorch/issues/65652
Pull Request resolved: https://github.com/pytorch/pytorch/pull/65692
Reviewed By: Reubend
Differential Revision: D31678606
Pulled By: edward-io
fbshipit-source-id: 7c0bf740ee4f8c21bd01ced3ae70df23c9efadfb
