commit 6c004955aceb8a0cd8e14afbc608ebfdf7c8aa4a
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Tue Dec 31 19:28:08 2019 -0800
committer Raymond Hettinger <rhettinger@users.noreply.github.com> Tue Dec 31 21:28:08 2019 -0600
tree 51b36d7bffc65cdc050d9c3b8ba406419a701e24
parent 302b35f82bdaac817966638e2630b452f4123958

bpo-39176: Improve error message for 'named assignment' (GH-17777) (GH-17778)

(cherry picked from commit 37143a8e3b2e9245d52f4ddebbdd1c6121c96884)

Co-authored-by: Ned Batchelder <ned@nedbatchelder.com>

Co-authored-by: Ned Batchelder <ned@nedbatchelder.com>

Lib/test/test_named_expressions.py

diff --git a/Lib/test/test_named_expressions.py b/Lib/test/test_named_expressions.py
index 01e26c8..3ae557f 100644
--- a/Lib/test/test_named_expressions.py
+++ b/Lib/test/test_named_expressions.py
@@ -32,7 +32,7 @@
     def test_named_expression_invalid_06(self):
         code = """((a, b) := (1, 2))"""
 
-        with self.assertRaisesRegex(SyntaxError, "cannot use named assignment with tuple"):
+        with self.assertRaisesRegex(SyntaxError, "cannot use assignment expressions with tuple"):
             exec(code, {}, {})
 
     def test_named_expression_invalid_07(self):
@@ -90,7 +90,7 @@
         code = """(lambda: x := 1)"""
 
         with self.assertRaisesRegex(SyntaxError,
-            "cannot use named assignment with lambda"):
+            "cannot use assignment expressions with lambda"):
             exec(code, {}, {})
 
     def test_named_expression_invalid_16(self):

Lib/test/test_syntax.py

diff --git a/Lib/test/test_syntax.py b/Lib/test/test_syntax.py
index 3829746..128c4da 100644
--- a/Lib/test/test_syntax.py
+++ b/Lib/test/test_syntax.py
@@ -45,7 +45,7 @@
 
 >>> (True := 1)
 Traceback (most recent call last):
-SyntaxError: cannot use named assignment with True
+SyntaxError: cannot use assignment expressions with True
 
 >>> obj.__debug__ = 1
 Traceback (most recent call last):