bpo-35133: Fix mistakes when concatenate string literals on different lines. (GH-10284)


Two kind of mistakes:

1. Missed space. After concatenating there is no space between words.

2. Missed comma. Causes unintentional concatenating in a list of strings.
(cherry picked from commit 34fd4c20198dea6ab2fe8dc6d32d744d9bde868d)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
diff --git a/Lib/test/test_compile.py b/Lib/test/test_compile.py
index acebdbd..d8a57e5 100644
--- a/Lib/test/test_compile.py
+++ b/Lib/test/test_compile.py
@@ -285,7 +285,7 @@
             'from sys import stdin)',
             'from sys import stdin, stdout,\nstderr',
             'from sys import stdin si',
-            'from sys import stdin,'
+            'from sys import stdin,',
             'from sys import (*)',
             'from sys import (stdin,, stdout, stderr)',
             'from sys import (stdin, stdout),',