repos:
-   repo: https://github.com/pre-commit/mirrors-isort
    rev: v5.6.4
    hooks:
    - id: isort

-   repo: https://github.com/ambv/black
    rev: 20.8b1
    hooks:
    - id: black
      language_version: python3.7

repos:
-   repo: https://github.com/pre-commit/mirrors-isort
    rev: v5.6.4
    hooks:
    - id: isort

-   repo: https://github.com/psf/black
    rev: stable
    hooks:
    - id: black
      language_version: python3.7

Fix pre-commit black repo URL
Fix pre-commit black repo URL
