Fix constantification of None.
diff --git a/Misc/NEWS b/Misc/NEWS
index 8b0e7e2..c3fabfe 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -15,6 +15,9 @@
- Bug #1669182: prevent crash when trying to print an unraisable error
from a string exception.
+- The peephole optimizer left None as a global in functions with a docstring
+ and an explicit return value.
+
- Bug #1653736: Properly discard third argument to slot_nb_inplace_power.
- SF #151204: enumerate() now raises an Overflow error at sys.maxint items.