diff --git a/src/_pytest/python.py b/src/_pytest/python.py
index 039512513a1..f1873a2924a 100644
--- a/src/_pytest/python.py
+++ b/src/_pytest/python.py
@@ -57,6 +57,9 @@
 from _pytest.warning_types import PytestUnhandledCoroutineWarning
 
 if TYPE_CHECKING:
+    from typing import Iterator
+    from typing import Set
+
     from _pytest._io import TerminalWriter