-   repo: git://github.com/pre-commit/pre-commit-hooks
    sha: v0.9.1
    hooks:
    -   id: trailing-whitespace
    -   id: flake8
    -   id: check-merge-conflict
-   repo: git://github.com/pre-commit/mirrors-jshint
    sha: v2.9.5
    hooks:
    -   id: jshint
-   repo: https://github.com/ambv/black
    rev: stable
    hooks:
    - id: black
      language_version: python3.7