#NEWLINE# @ _skip_under_py3k #NEWLINE# def test_single_explicit_meta( self ) : #NEWLINE# #INDENT# from zope.interface.tests.advisory_testing import ping #NEWLINE# class Metaclass ( type ) : #NEWLINE# #INDENT# pass #NEWLINE# #UNINDENT# class Concrete ( Metaclass ) : #NEWLINE# #INDENT# __metaclass__ = Metaclass #NEWLINE# ping ( [ ] , 1 ) #NEWLINE# #UNINDENT# ( Concrete , ) = Concrete #NEWLINE# self . failUnless ( ( Concrete . __class__ is Metaclass ) )