importlib.resources is a package on 3.11+ (#9822)

stdlib/VERSIONS

@@ -152,6 +152,7 @@ importlib: 2.7-
 importlib.metadata: 3.8-
 importlib.metadata._meta: 3.10-
 importlib.resources: 3.7-
+importlib.resources.abc: 3.11-
 inspect: 2.7-
 io: 2.7-
 ipaddress: 3.3-

stdlib/importlib/resources/abc.pyi

@@ -0,0 +1,12 @@
+import sys
+
+if sys.version_info >= (3, 11):
+    # These are all actually defined in this file on 3.11+,
+    # and re-exported from importlib.abc,
+    # but it's much less code duplication for typeshed if we pretend that they're still defined
+    # in importlib.abc on 3.11+, and re-exported from this file
+    from importlib.abc import (
+        ResourceReader as ResourceReader,
+        Traversable as Traversable,
+        TraversableResources as TraversableResources,
+    )