def versioned_base(plugin, version):
 return Meta(u'VersionedBase', (object,), {u'__metaclass__': Meta, u'plugin': plugin, u'version': version})

def versioned_base ( plugin , version ) : return Meta ( u'VersionedBase' , ( object , ) , { u'__metaclass__' : Meta , u'plugin' : plugin , u'version' : version } )
returns a class which can be used like base .