Closes issue #14982: Document that pkgutil's walk_packages() and
iter_modules() requires iter_modules() be defined on an importer. The
importers in importlib do not define this non-standard method.
diff --git a/Misc/NEWS b/Misc/NEWS
index 6acf02b..d45c5b5 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -24,6 +24,10 @@
 Library
 -------
 
+- Issue #14982: Document that pkgutil's iteration functions require the
+  non-standard iter_modules() method to be defined by an importer (something
+  the importlib importers do not define).
+
 - Issue #15036: Allow removing or changing multiple items in
   single-file mailboxes (mbox, MMDF, Babyl) flushing the mailbox
   between the changes.