[Python-checkins] Docs: Update SyntaxError message in REPL example for list comprehension (GH-93901)

[ambv]

https://github.com/python/cpython/commit/22b783aba05bcc3a21af9e5ae308ffbb98ff6a12
commit: 22b783aba05bcc3a21af9e5ae308ffbb98ff6a12
branch: main
author: Cheryl Sabella <cheryl.sabella at gmail.com>
committer: ambv <lukasz at langa.pl>
date: 2022-06-29T19:06:51+02:00
summary:

Docs: Update SyntaxError message in REPL example for list comprehension (GH-93901)

files:
M Doc/tutorial/datastructures.rst

diff --git a/Doc/tutorial/datastructures.rst b/Doc/tutorial/datastructures.rst
index f847ee325e0d7..f5986fe292fb1 100644
--- a/Doc/tutorial/datastructures.rst
+++ b/Doc/tutorial/datastructures.rst
@@ -268,10 +268,10 @@ it must be parenthesized. ::
    [(0, 0), (1, 1), (2, 4), (3, 9), (4, 16), (5, 25)]
    >>> # the tuple must be parenthesized, otherwise an error is raised
    >>> [x, x**2 for x in range(6)]
-     File "<stdin>", line 1, in <module>
+     File "<stdin>", line 1
        [x, x**2 for x in range(6)]
-                  ^
-   SyntaxError: invalid syntax
+        ^^^^^^^
+   SyntaxError: did you forget parentheses around the comprehension target?
    >>> # flatten a list using a listcomp with two 'for'
    >>> vec = [[1,2,3], [4,5,6], [7,8,9]]
    >>> [num for elem in vec for num in elem]