Unify warning styles for better readability

[oneonlee]

What does this PR do?

Quick unify warning styles of examples/pytorch for better readability

Example:

• Before

  • 10/31/2023 15:41:34 - WARNING - __main__ - Process rank: 0, device: cuda:0, n_gpu: 6distributed training: False, 16-bits training: False

• After

  • 10/31/2023 15:41:34 - WARNING - __main__ - Process rank: 0, device: cuda:0, n_gpu: 6, distributed training: False, 16-bits training: False

Before submitting

• This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
• Did you read the contributor guideline,
  Pull Request section?
• Was this discussed/approved via a Github issue or the forum? Please add a link
  to it if that's the case.
• Did you make sure to update the documentation with your changes? Here are the
  documentation guidelines, and
  here are tips on formatting docstrings.
• Did you write any new necessary tests?

Who can review?

@ArthurZucker @amyeroberts @sanchit-gandhi

[amyeroberts]

Thanks for improving these!

[HuggingFaceDocBuilderDev]

The docs for this PR live here. All of your documentation changes will be reflected on that endpoint.