--- Python-3.11.2.old/Lib/importlib/metadata/__init__.py
+++ Python-3.11.2/Lib/importlib/metadata/__init__.py
@@ -624,6 +624,8 @@
     @property
     def _normalized_name(self):
         """Return a normalized version of the name."""
+        if self.name == None:
+            return "noname"
         return Prepared.normalize(self.name)
 
     @property