R. David Murray added the comment:
It is intended. See issue 30554.
--
nosy: +r.david.murray
resolution: -> duplicate
stage: -> resolved
status: open -> closed
superseder: -> Inaccessible attribute characters_written on OSError instances
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New submission from Charles Ferguson:
Whilst debugging a problem in some of my code (which turned out to be a
misspelt filename), I found that I could not access one of the properties of
the FileNotFoundError object.
Essentially, if you get a 'FileNotFoundError' for opening a file that does
