Issue #13532: Check that arguments to sys.stdout.write are strings.
diff --git a/Lib/idlelib/NEWS.txt b/Lib/idlelib/NEWS.txt
index d57237d..d99e231 100644
--- a/Lib/idlelib/NEWS.txt
+++ b/Lib/idlelib/NEWS.txt
@@ -1,6 +1,8 @@
 What's New in IDLE 3.2.4?
 =========================
 
+- Issue #13532: Check that arguments to sys.stdout.write are strings.
+
 - Issue # 12510: Attempt to get certain tool tips no longer crashes IDLE.
   Erroneous tool tips have been corrected. Default added for callables.