fix ci issue

[Cui-yshoho]

What does this PR do?

Fixes # (issue)

Adds # (feature)

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?
• Did you make sure to update the documentation with your changes? E.g. record bug fixes or new features in What's New. Here are the
  documentation guidelines
• Did you build and run the code without any errors?
• Did you report the running environment (NPU type/MS version) and performance in the doc? (better record it for data loading, model inference, or training tasks)
• Did you write any new necessary tests?

Who can review?

Anyone in the community is free to review the PR once the tests have passed. Feel free to tag
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@xxx

[gemini-code-assist]

Summary of Changes

Hello @Cui-yshoho, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request focuses on minor code hygiene and structural improvements rather than introducing new features or fixing bugs. The changes primarily involve reordering import statements for specific models, adjusting a type hint for clarity or compatibility, and a small docstring formatting correction. These updates contribute to a cleaner and more consistent codebase.

Highlights

• Import Reordering: The import statements for RTDetr and RTDetrV2 models were reordered in both mindone/transformers/__init__.py and mindone/transformers/models/__init__.py for better organization.
• Type Hint Adjustment: A type hint for the zero_helper parameter in mindone/transformers/mindspore_adapter/train_onestep_wrapper.py was updated from Optional[ZeroHelper] to Optional["ZeroHelper"], likely to address a forward reference or improve compatibility.
• Docstring Cleanup: A minor formatting correction was made in mindone/transformers/models/reformer/modeling_reformer.py by removing an extraneous blank line from a docstring.

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[gemini-code-assist]

Code Review

This pull request introduces several small but beneficial changes to improve code quality and maintainability. The changes include reordering imports and module listings to maintain alphabetical order, which enhances readability. A type hint has been corrected to properly handle a forward reference, preventing potential runtime issues. Additionally, a minor whitespace issue in a docstring has been fixed. Overall, these are good housekeeping changes and I have no further suggestions.

[Dong1017]

this is refered to #1339, which has been fixed