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並前往https://qastack.cn/programming/5055797/pymongo-upsert-throws-upsert-must-be-an-instance-of-bool-error

PyMongo upsert引发“ upsert必须是bool的实例”错误 - QA Stack

[Solution found!] PyMongo的第三个参数update()是upsert且必须传递一个布尔值，而不是字典。将您的代码更改为： self.word_counts[source].update({'date':posttime}, ...

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