RFC: from __future__ import annotations + migrate

testing/test_pluginmanager.py

@@ -1,9 +1,10 @@
 # mypy: allow-untyped-defs
+from __future__ import annotations
+
 import os
 import shutil
 import sys
 import types
-from typing import List
 
 from _pytest.config import Config
 from _pytest.config import ExitCode
@@ -152,7 +153,7 @@ class TestPytestPluginInteractions:
                 saveindent.append(pytestpm.trace.root.indent)
                 raise ValueError()
 
-        values: List[str] = []
+        values: list[str] = []
         pytestpm.trace.root.setwriter(values.append)
         undo = pytestpm.enable_tracing()
         try: