#19449: Handle non-string keys when generating 'fieldnames' error.
Backport from 3.3 6e5afeada7ca.
diff --git a/Misc/NEWS b/Misc/NEWS
index 77bc5a8..d5ed3c9 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,9 @@
Library
-------
+- Issue #19449: in csv's writerow, handle non-string keys when generating the
+ error message that certain keys are not in the 'fieldnames' list.
+
- Issue #12853: Fix NameError in distutils.command.upload.
- Issue #19523: Closed FileHandler leak which occurred when delay was set.