fix all clean documents

[qidanrui]

Description

Fix all clean documentations.

Checklist:

• [ ] My code follows the style guidelines of this project
• [ ] I have already squashed the commits and make the commit message conform to the project standard.
• [ ] I have already marked the commit with "BREAKING CHANGE" or "Fixes #" if needed.
• [ ] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [ ] My changes generate no new warnings
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] New and existing unit tests pass locally with my changes
• [ ] Any dependent changes have been merged and published in downstream modules

[codecov[bot]]

Codecov Report

Merging #741 (493b2c7) into develop (7e54ab7) will decrease coverage by 0.00%. The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop     #741      +/-   ##
===========================================
- Coverage    56.15%   56.15%   -0.01%     
===========================================
  Files          288      288              
  Lines        18223    18223              
===========================================
- Hits         10234    10233       -1     
- Misses        7989     7990       +1     

Impacted Files	Coverage Δ
dataprep/eda/distribution/render.py	92.12% <0.00%> (-0.11%)	:arrow_down:

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