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_range.py b/Lib/test/test_range.py
index ce15847..94c96a9 100644
--- a/Lib/test/test_range.py
+++ b/Lib/test/test_range.py
@@ -39,7 +39,7 @@
                 self.fail('{}: unexpected excess element {} at '
                           'position {}'.format(test_id, x, i))
             else:
-                self.fail('{}: wrong element at position {};'
+                self.fail('{}: wrong element at position {}; '
                           'expected {}, got {}'.format(test_id, i, y, x))
 
     def test_range(self):