RuntimeError: __class__ not set defining ‘‘ as ＜class＞. Was __classcell__ propagated to type.__new_

问题描述

报错提示类中不能有super的方法。 

问题：

RuntimeError: __class__ not set defining 'AttentionModelFixed' as . Was __classcell__ propagated to type.__new__?

报错代码: 

class AttentionModelFixed(NamedTuple):

    def __getitem__(self, key):
        if xxxx:
            return AttentionModelFixed(xxx)            )
        return super(AttentionModelFixed, self).__getitem__(key)

 

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解决方案：

启动正确的虚拟环境。