Prefer re.findall, which returns materialized results. Fixes #369.

Author: jaraco

CHANGES.rst

@@ -1,3 +1,9 @@
+v4.11.2
+=======
+
+* #369: Fixed bug where ``EntryPoint.extras`` was returning
+  match objects and not the extras strings.
+
 v4.11.1
 =======
 

importlib_metadata/__init__.py

@@ -217,7 +217,7 @@ def attr(self):
     @property
     def extras(self):
         match = self.pattern.match(self.value)
-        return list(re.finditer(r'\w+', match.group('extras') or ''))
+        return re.findall(r'\w+', match.group('extras') or '')
 
     def _for(self, dist):
         vars(self).update(dist=dist)