Fix _PyGen_yf()

Issue #28782: Fix a bug in the implementation ``yield from`` when checking
if the next instruction is YIELD_FROM. Regression introduced by WORDCODE
(issue #26647).

Reviewed by Serhiy Storchaka and Yury Selivanov.

1 files changed, 4 insertions, 0 deletions

diff --git a/Misc/NEWS b/Misc/NEWS
index b606101..929ce53 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -10,6 +10,10 @@ What's New in Python 3.6.0 release candidate 1
 Core and Builtins
 -----------------
 
+- Issue #28782: Fix a bug in the implementation ``yield from`` when checking
+  if the next instruction is YIELD_FROM. Regression introduced by WORDCODE
+  (issue #26647).
+
 Library
 -------