[GitHub] [airflow] potiuk edited a comment on pull request #11950: Add python 3.9 to supported versions

[GitBox <gi...@apache.org>]

potiuk edited a comment on pull request #11950:
URL: https://github.com/apache/airflow/pull/11950#issuecomment-722240660


   > > Can you please rebased your PR on latest Master since we have applied Black and PyUpgrade on Master.
   > > It will help if your squash your commits into single commit first so that there are less conflicts.
   > 
   > Ok rebased. Last time I believe it failed on mermaid checks and I got lost going down the rabbit hole.
   > 
   > What is the easiest way to ensure that my pr passes all the static checks (black, flake8, mermaid, etc...) ?
   
   Just install pre-commit and run it with `--all-files`. See https://github.com/apache/airflow/blob/master/STATIC_CODE_CHECKS.rst
   
   * You can run individual pre-commits with 'pre-commit run <pre-commit> --all-files`
   * For all the individual changes pre-commit will automatically run at every commit only for subset of changes when you install it with `pre-commit install`
   * You can also use `breeze`. Breeze has the benefit of using auto-complete so that you do not have to look up the ids of pre-commits. You can run it as `./breeze static-checks <TAB>` and you see the ids of pre-commit. You can also add extra options for example `breeze static-checks mypy -- --all-files` will run checks for mypy for all files.
   


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