Issue #13591: import_module potentially imports a module twice.
diff --git a/Misc/NEWS b/Misc/NEWS
index c996499..15c07f5 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -1868,6 +1868,9 @@
 Library
 -------
 
+- Issue #13591: A bug in importlib has been fixed that caused import_module
+  to load a module twice.
+
 - logging: added "handler of last resort". See http://bit.ly/last-resort-handler
 
 - test.support: Added TestHandler and Matcher classes for better support of