repos:
-   repo: https://github.com/ambv/black
    rev: 21.6b0
    hooks:
    - id: black
      language_version: python3.7
-   repo: https://gitlab.com/pycqa/flake8
    rev: 3.9.2
    hooks:
    - id: flake8
      args:
        - "--count"
        - "--select=E901,E999,F821,F822,F823"
        - "--show-source"
        - "--statistics"