#6938: "ident" is always a string, so use a format code which works.
diff --git a/Misc/NEWS b/Misc/NEWS
index dc37a37..8f674c8 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -376,6 +376,9 @@
 Library
 -------
 
+- Issue #6938: Fix a TypeError in string formatting of a multiprocessing
+  debug message.
+
 - Issue #6635: Fix profiler printing usage message.
 
 - Issue #6856: Add a filter keyword argument to TarFile.add().