"A tool (and pre-commit hook) to automatically upgrade syntax for newer versions of the language."

https://github.com/asottile/pyupgrade

https://github.com/asottile/pyupgrade?tab=readme-ov-file#python2-and-old-python3x-blocks

Example .pre-commit-config.yaml entry:

  - repo: https://github.com/asottile/pyupgrade
    rev: v3.19.1
    hooks:
      - id: pyupgrade
        args: [--py37-plus]

Availability:

• --py36-plus will remove Python <= 3.5 only blocks
• --py37-plus will remove Python <= 3.6 only blocks
  so on and so forth