diff --git a/src/pytest/__init__.py b/src/pytest/__init__.py
index 8d7cf520b..0aa496a2f 100644
--- a/src/pytest/__init__.py
+++ b/src/pytest/__init__.py
@@ -173,6 +173,6 @@ if not TYPE_CHECKING:
         if name == "Instance":
             # The import emits a deprecation warning.
             from _pytest.python import Instance
-    
+
             return Instance
         raise AttributeError(f"module {__name__} has no attribute {name}")