Backport of r55752: make time.strptime() behave better when whitespace is in
the format arguments.
diff --git a/Misc/NEWS b/Misc/NEWS
index a397e4d..10bf25c 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,9 @@
 Library
 -------
 
+- Bug #1730389: Have time.strptime() match spaces in a format argument with
+  ``\s+`` instead of ``\s*``.
+
 - SF 1668596/1720897: distutils now copies data files
   even if package_dir is empty.