Add CHANGELOG

Author: nicoddemus

changelog/10337.bugfix.rst

@@ -0,0 +1,2 @@
+Fixed but that fake intermediate modules generated by ``--import-mode=importlib`` would not include the
+child modules as attributes of the parent modules.

testing/test_pathlib.py

@@ -602,5 +602,5 @@ def test_parent_contains_child_module_attribute(
         modules = {"xxx.tests.foo": ModuleType("xxx.tests.foo")}
         insert_missing_modules(modules, "xxx.tests.foo")
         assert sorted(modules) == ["xxx", "xxx.tests", "xxx.tests.foo"]
-        assert modules["xxx"].tests == modules["xxx.tests"]
-        assert modules["xxx.tests"].foo == modules["xxx.tests.foo"]
+        assert modules["xxx"].tests is modules["xxx.tests"]
+        assert modules["xxx.tests"].foo is modules["xxx.tests.foo"]