AttributeError: 'NoneType' object has no attribute '_free_weak_ref'
时间: 2023-08-12 10:03:51 浏览: 212
AttributeError: ‘NoneType’ object has no attribute ‘children’ 错误
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回答: AttributeError: 'NoneType' object has no attribute '_free_weak_ref'是一个常见的错误,它发生在我们尝试访问None值的属性时。\[1\]通常情况下,这个错误是由于变量被赋值为None而导致的。要解决这个错误,我们需要在访问属性之前检查变量是否为None,并进行相应的处理。\[2\]另外,我们还可以在分配变量时进行更正,确保变量不会被赋值为None。\[3\]
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