fixup! Revisit PytesterManageEnv

Author: blueyed

src/_pytest/pytester/__init__.py

@@ -44,7 +44,6 @@
 from _pytest.config import ExitCode
 from _pytest.fixtures import FixtureRequest
 from _pytest.main import Session
-from _pytest.monkeypatch import MonkeyPatch
 from _pytest.nodes import Collector
 from _pytest.nodes import Item
 from _pytest.outcomes import Failed
@@ -55,14 +54,14 @@
 from _pytest.reports import TestReport
 from _pytest.tmpdir import TempdirFactory
 
-
 if TYPE_CHECKING:
     from typing import Any
     from typing import Type
-    from typing_extensions import Literal  # noqa: F401
 
     import pexpect
 
+    from _pytest.monkeypatch import MonkeyPatch
+
 
 IGNORE_PAM = [  # filenames added when obtaining details about the current user
     "/var/lib/sss/mc/passwd"
@@ -903,6 +902,7 @@ def copy_example(self, name=None):
 
         """
         import warnings
+
         from _pytest.warning_types import PYTESTER_COPY_EXAMPLE
 
         warnings.warn(PYTESTER_COPY_EXAMPLE, stacklevel=2)