I guess it's interesting that they're using Black over their own code formatter (YAPF) but since it's an open source project maybe that's fine? If you were ask

I guess it's interesting that they're using Black over their own code formatter (YAPF) but since it's an open source project maybe that's fine? If you were asking about Black specifically, it's very popular: > The following notable open-source projects trust Black with enforcing a consistent code style: pytest, tox, Pyramid, Django, Django Channels, Hypothesis, attrs, SQLAlchemy, Poetry, PyPA applications (Warehouse, Bandersnatch, Pipenv, virtualenv), pandas, Pillow, Twisted, LocalStack, every Datadog Agent Integration, Home Assistant, Zulip, Kedro, OpenOA, FLORIS, ORBIT, WOMBAT, and many more. > The following organizations use Black: Facebook, Dropbox, KeepTruckin, Mozilla, Quora, Duolingo, QuantumBlack, Tesla, Archer Aviation.