[issue1492704] distinct error type if shutil.copyfile() fails because of src and dst are the same file

[Hynek Schlawack]

Hynek Schlawack <hs at ox.cx> added the comment:

No, sorry if my ramblings confused you. I'm pondering about deriving Error from OSError in 3.4. That has nothing to do with this ticket. I just saw it while glancing over your patch.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue1492704>
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