Some modifications to improve readability (#31352)
Summary:
In the long string, formalstring thinks it is good to have a name.
When using dict, literal is better for readability and faster than dict constructor.
I always appreciate your efforts in creating the world's best frameworks.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/31352
Differential Revision: D19191967
Pulled By: ngimel
fbshipit-source-id: 21f063b163b67de8cf9761a4db5991f74318e991
