fail_fast: true

repos:
-   repo: https://github.com/pre-commit/pre-commit-hooks
    rev: master
    hooks:
    - id: trailing-whitespace
    - id: flake8
    - id: end-of-file-fixer
    - id: check-docstring-first
    - id: debug-statements
    - id: check-ast
    - id: no-commit-to-branch
-   repo: https://github.com/ambv/black
    rev: stable
    hooks:
    - id: black