Revert linter cleanup in favor of #6

src/zope/intid/__init__.py

@@ -210,5 +210,5 @@ def addIntIdSubscriber(ob, event):
 def intIdEventNotify(event):
     """Event subscriber to dispatch IntIdEvent to interested adapters."""
     adapters = subscribers((event.object, event), None)
-    for _ in adapters:
+    for adapter in adapters:
         pass # getting them does the work