commit 64409117361499058b1bf95e6efec31f7bb3c0d0
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Sun Jun 07 18:08:53 2020 -0700
committer GitHub <noreply@github.com> Sun Jun 07 18:08:53 2020 -0700
tree a0ce15928486f3a6679b1fe40be11496f12e7db8
parent 71f501698d64af6463246bc6efdbbf1b85616102

bpo-40904: Fix segfault in the new parser with f-string containing yield statements with no value (GH-20701)

(cherry picked from commit 972ab0327675e695373fc6272d5ac24e187579ad)

Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>

Lib/test/test_fstring.py

diff --git a/Lib/test/test_fstring.py b/Lib/test/test_fstring.py
index 3237b58..f6be64b 100644
--- a/Lib/test/test_fstring.py
+++ b/Lib/test/test_fstring.py
@@ -725,9 +725,11 @@
         #  a function into a generator
         def fn(y):
             f'y:{yield y*2}'
+            f'{yield}'
 
         g = fn(4)
         self.assertEqual(next(g), 8)
+        self.assertEqual(next(g), None)
 
     def test_yield_send(self):
         def fn(x):