Normalize whitespace in diff.

Co-authored-by: Bénédikt Tran <[email protected]>

Author: jaraco

Lib/configparser.py

@@ -583,7 +583,7 @@ def __init__(self, full_prefixes, inline_prefixes):
             # prefix at the beginning of the line or following a space
             fr'(^|\s)({re.escape(prefix)}.*)'
             for prefix in inline_prefixes
-            )
+        )
         self.pattern = re.compile('|'.join(itertools.chain(full_patterns, inline_patterns)))
 
     def strip(self, text):