diff --git a/src/_pytest/assertion/rewrite.py b/src/_pytest/assertion/rewrite.py
index f0922870a4..cc11e1d16a 100644
--- a/src/_pytest/assertion/rewrite.py
+++ b/src/_pytest/assertion/rewrite.py
@@ -273,7 +273,7 @@ def get_data(self, pathname: Union[str, bytes]) -> bytes:
         with open(pathname, "rb") as f:
             return f.read()
 
-    if sys.version_info >= (3, 9):
+    if sys.version_info >= (3, 10):
 
         def get_resource_reader(self, name: str) -> importlib.abc.TraversableResources:  # type: ignore
             from types import SimpleNamespace