Modernize the super() call in ABCMeta.__new__() -- I had messed with

it when I thought something was broken, and forgotten to restore it
before checking in (maybe I did a svn revert which had the wrong effect?).

Lib/abc.py

@@ -93,7 +93,7 @@ class ABCMeta(type):
 
     def __new__(mcls, name, bases, namespace):
         bases = _fix_bases(bases)
-        cls = super(ABCMeta, mcls).__new__(mcls, name, bases, namespace)
+        cls = super().__new__(mcls, name, bases, namespace)
         # Compute set of abstract method names
         abstracts = {name
                      for name, value in namespace.items()