diff --git a/src/_pytest/python.py b/src/_pytest/python.py
index b0bde32f0f3..84af0f44cd7 100644
--- a/src/_pytest/python.py
+++ b/src/_pytest/python.py
@@ -17,8 +17,8 @@
 from typing import Dict
 from typing import Iterable
 from typing import List
-from typing import Optional
 from typing import Mapping
+from typing import Optional
 from typing import Tuple
 from typing import Union