bpo-37266: Add bpo number to the What's New entry (GH614584)

To get more info about this change.

diff --git a/Doc/whatsnew/3.9.rst b/Doc/whatsnew/3.9.rst
index 43567b9b4ceab916d18a2d70e818cc8acf5cbee2..85e254f061eb9af285b57dd56dd2cdcbd2251d26 100644 (file)
--- a/Doc/whatsnew/3.9.rst
+++ b/Doc/whatsnew/3.9.rst
@@ -110,6 +110,7 @@ In a subinterpreter, spawning a daemon thread now raises an exception. Daemon
 threads were never supported in subinterpreters. Previously, the subinterpreter
 finalization crashed with a Python fatal error if a daemon thread was still
 running.
+(Contributed by Victor Stinner in :issue:`37266`.)
 
 pprint
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