repos:
-   repo: https://github.com/ambv/black
    rev: 19.10b0
    hooks:
    - id: black
      language_version: python3
-   repo: https://gitlab.com/pycqa/flake8
    rev: master
    hooks:
    - id: flake8
      language_version: python3
-   repo: https://github.com/lovesegfault/beautysh
    rev: master
    hooks:
    - id: beautysh
      language_version: python3
      args: [-i, '2']  # 2-space indentaion