remove the support of lebesgue

[codecov-commenter]

Codecov Report

Base: 87.36% // Head: 87.50% // Increases project coverage by +0.13% :tada:

Coverage data is based on head (5ab8969) compared to base (a941767). Patch coverage: 66.66% of modified lines in pull request are covered.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #142 +/- ## ========================================== + Coverage 87.36% 87.50% +0.13% ========================================== Files 74 74 Lines 3609 3584 -25 ========================================== - Hits 3153 3136 -17 + Misses 456 448 -8 ``` | [Impacted Files](https://codecov.io/gh/deepmodeling/dpgen2/pull/142?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=deepmodeling) | Coverage Δ | | |---|---|---| | [dpgen2/entrypoint/args.py](https://codecov.io/gh/deepmodeling/dpgen2/pull/142?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=deepmodeling#diff-ZHBnZW4yL2VudHJ5cG9pbnQvYXJncy5weQ==) | `90.90% <ø> (-0.30%)` | :arrow_down: | | [dpgen2/entrypoint/common.py](https://codecov.io/gh/deepmodeling/dpgen2/pull/142?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=deepmodeling#diff-ZHBnZW4yL2VudHJ5cG9pbnQvY29tbW9uLnB5) | `75.67% <ø> (+13.45%)` | :arrow_up: | | [dpgen2/utils/step\_config.py](https://codecov.io/gh/deepmodeling/dpgen2/pull/142?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=deepmodeling#diff-ZHBnZW4yL3V0aWxzL3N0ZXBfY29uZmlnLnB5) | `78.57% <ø> (-3.79%)` | :arrow_down: | | [dpgen2/entrypoint/submit.py](https://codecov.io/gh/deepmodeling/dpgen2/pull/142?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=deepmodeling#diff-ZHBnZW4yL2VudHJ5cG9pbnQvc3VibWl0LnB5) | `70.49% <66.66%> (-0.12%)` | :arrow_down: | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=deepmodeling). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=deepmodeling)

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