[pre-commit.ci] pre-commit autoupdate (#330)
[pre-commit.ci] pre-commit autoupdate (#330)

updates:
- https://github.com/ambv/black → https://github.com/psf/black
- https://gitlab.com/pycqa/flake8 → https://github.com/PyCQA/flake8

Co-authored-by: pre-commit-ci[bot] <3ea08453efb076ca910552532a53973a6527df40@users.noreply.github.com>
tony/vcspull,tony/vcspull