Remove leftover references to setup.py (#12514)

* Remove leftover references to setup.py

Missed in #12478.

* Changelog

1 files changed, 2 insertions, 2 deletions

diff --git a/mypy.ini b/mypy.ini

index b2c3b1524c..a663bf6975 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -233,8 +233,8 @@ disallow_untyped_defs = True
 ;; The `typeshed` project maintains stubs here:
 ;;     https://github.com/python/typeshed/tree/master/stubs
 ;; and for each package `foo` there's a corresponding `types-foo` package on PyPI,
-;; which we can pull in as a dev dependency by adding to `setup.py`'s
-;; `CONDITIONAL_REQUIREMENTS["mypy"]` list.
+;; which we can pull in as a dev dependency by adding to `pyproject.toml`'s
+;; `[tool.poetry.dev-dependencies]` list.
 
 [mypy-authlib.*]
 ignore_missing_imports = True