Name of generated inner class that will be specified as pyclass.

def getPyClass(self):
        '''Name of generated inner class that will be specified as pyclass.
        '''
        # --> EXTENDED
        if self.hasExtPyClass():
            classInfo = self.extPyClasses[self.name]
            return ".".join(classInfo)
        # <-- 
        
        return 'Holder'