https://github.com/irgeek/StrEnum/issues/37

--- StrEnum-0.4.15/pytest.ini.orig
+++ StrEnum-0.4.15/pytest.ini
@@ -1,3 +1,3 @@
 [pytest]
-addopts = --cov=strenum --cov-report term-missing --black --ignore=versioneer.py --ignore=strenum/_version.py --ignore=docs/
+addopts = --cov=strenum --cov-report term-missing --ignore=versioneer.py --ignore=strenum/_version.py --ignore=docs/
 filterwarnings = ignore::DeprecationWarning