Ensure redent is idempotent (doesn't add 8 spaces to already dedented…

… values).
python · Sep 11, 2024 · db14d96 · db14d96
1 parent 20295ec
commit db14d96
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/importlib_metadata/_adapters.py b/importlib_metadata/_adapters.py
@@ -57,9 +57,10 @@ def __getitem__(self, item):
     def _repair_headers(self):
         def redent(value):
             "Correct for RFC822 indentation"
-            if not value or '\n' not in value:
+            indent = ' ' * 8
+            if not value or '\n' + indent not in value:
                 return value
-            return textwrap.dedent(' ' * 8 + value)
+            return textwrap.dedent(indent + value)
 
         headers = [(key, redent(value)) for key, value in vars(self)['_headers']]
         if self._payload: