STINNER Victor added the comment:
> Hmm, if `sys.__stdout__` was deleted (or set to `None`), this would also
> raise an `AttributeError` when calling `shutil.get_terminal_size`, so I think
> that even if `os.get_terminal_size` is guaranteed to be always present (which
> it's not, IIUC), catching `AttributeError` would prevent that bug, too.
It would be nice to have an unit test too for this case. You can use something
like:
with unittest.mock.patch('shutil.sys') as mock_sys:
del mock_sys.__stdout__
print(shutil.get_terminal_size((3, 3)))
(and mock also os.envion, as shown in the review.)
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