Fix doctest problem

Author: abravalheri

setuptools/dist.py

@@ -496,7 +496,7 @@ def _find_pattern(pattern: str, enforce_match: bool = True) -> list[str]:
         >>> Distribution._find_pattern("../LICENSE.MIT")
         Traceback (most recent call last):
         ...
-        setuptools.warnings.SetuptoolsDeprecationWarning: ...Pattern '../LICENSE.MIT' cannot contain '..'
+        setuptools.warnings.SetuptoolsDeprecationWarning: ...Pattern '../LICENSE.MIT' cannot contain '..'...
         >>> Distribution._find_pattern("LICEN{CSE*")
         Traceback (most recent call last):
         ...