fix ci

Author: alexluck-sift

python/lib/sift_client/_tests/pytest_plugin/conftest.py

@@ -25,8 +25,6 @@
 
 import pytest
 
-pytest_plugins = ["pytester"]
-
 
 @pytest.fixture
 def write_plugin_conftest(pytester: pytest.Pytester) -> Callable[[], None]:

python/pyproject.toml

@@ -388,6 +388,10 @@ select = [
 env_files = [
     ".env"
 ]
+# `pytester` is registered globally because pytest 8+ disallows `pytest_plugins`
+# in non-top-level conftests. Only the plugin test suite uses it; activating it
+# globally is harmless since the fixture is opt-in.
+addopts = "-p pytester"
 testpaths = [
     "lib/sift_py",
     "lib/sift_client/_tests",