API refactor

venv/lib/python3.12/site-packages/kafka/protocol/abstract.py

@@ -2,10 +2,11 @@ from __future__ import absolute_import
 
 import abc
 
+from kafka.vendor.six import add_metaclass
 
+
+@add_metaclass(abc.ABCMeta)
 class AbstractType(object):
-    __metaclass__ = abc.ABCMeta
-
     @abc.abstractmethod
     def encode(cls, value): # pylint: disable=no-self-argument
         pass