* DEPS: Drop Python 3.9

* Update GHA files

* remove 3.8 ref in test file

* Move back to 3.9 for pypy

* Bump pyupgrade

* Run pyupgrade

* Remove pandas.compat.compressors

* Fix env file

* Wronge error message

* Ignore pypy

* Test package checks with 3.12

* Modify subprocess test

* revert conda-forge checks

* Remove 3.9 from circleci

* Pyupgrade

* Don't build 39 wheels

* Revert "STYLE use pandas-dev-flaker (#40906)"

This reverts commit 1f27ed0a.

* fixups

* fixup?

* make _compressors public

* use typing.Callable

* reduce diff

* further reduce

* one more

* fixup regex

* fixup regex

* add xfail to request

* remove else after xfail mark

* make copy_on_write public

Co-authored-by: MarcoGorelli <>

* Remove pd_array from tests

* Add stricter check on array imports

* check for inconsistent namespace usage

* doc

* typos

* verbose regex

* use verbose flag

* use verbose flag

* match both directions

* add test

* don't import annotations from future

* update extra couple of cases

* 🚚 rename

* typing

* don't use subprocess

* don't type tests

* use pathlib