Add 3rd argument to getattr#727
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Change Summary
The
getattrfunction is missing the optional 3rd, 'failsafe', argument, it also does not raise an AttributeError when the accessed attribute is not present. This PR takes care of both issues.Note: The proposed new
getattrfunction takes extra steps to retrieve the name of the accessed object when building theAttributeErrormessage. A more generic message could be used instead, although it would make it less meaningful.Related issue number
Related to #633 .
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