def __init__(self, **kwargs):
        self.meta = self._meta_class()

        for attr, value in kwargs.items():
            setattr(self.meta, attr, value)

        # Increase the creation counter, and save our local copy.
        self.creation_counter = Block.creation_counter
        Block.creation_counter += 1
        self.definition_prefix = self.creation_counter % 'blockdef-%d'

        self.label = self.meta.label or ''
dataset/ETHPy150Open torchbox/wagtail/wagtail/wagtailcore/blocks/base.py/Block.__init__/swapped operands of `%`