repos:
-   repo: https://github.com/ambv/black
    rev: 19.3b0
    hooks:
    - id: black
      language_version: python3.7
-   repo: https://github.com/pre-commit/pre-commit-hooks
    rev: v2.1.0
    hooks:
    -   id: end-of-file-fixer
    -   id: trailing-whitespace
-   repo: https://gitlab.com/pycqa/flake8
    rev: 3.7.8
    hooks:
    -   id: flake8
        args: ['--max-line-length=500', '--ignore=E203,E266,E501,W503', '--max-complexity=18', '--select=B,C,E,F,W,T4,B9']