Classifiers are one bit of Python project metadata that predates PyPI.
Classifiers are weird.
They were around in setuptools days, and are still here with pyproject.toml.
What are they?
Why do we need them?
Do we need them?
Which classifiers should I include?
Why are they called "trove classifiers" in the Python docs (https://pypi.org/classifiers/)
Brett Cannon joins the show to discuss these wacky bits of metadata.
Here's an example, from pytest-crayons (https://github.com/okken/pytest-crayons/blob/main/pyproject.toml):

[project]
...
classifiers = [
"License :: OSI Approved :: MIT License",
"Framework :: Pytest"
]

Special Guest: Brett Cannon.