When learning the book machine learning practice, I ran according to the code in the book and made an error, but there was no error prompt in the code. The error codes are as follows:
if type(secondDict[key])._name_ == 'dict':
Errors are reported as follows:
AttributeError: type object 'str' has no attribute '_name_'
Attribute error: the type object “STR” has no attribute “name”,
The error is caused by different versions. The author uses version 2. X, while I use version 3.7. X.
The type object “STR” in Python 3 does not have the “_name_” attribute, so we need to remove the attribute. In addition, this judgment statement was originally used to judge whether the node type is dict (Dictionary), but because the single quotation mark (”) is added, it becomes a string, which will cause other errors, so we also need to remove the single quotation mark.
Modify the error code as follows:
if type(secondDict[key]) == dict:
Just run it now.
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