Update errors.rst

[Ronbalt]

Just a typo since the code example above indicates that an IOError is thrown, and not an OSError.

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[serhiy-storchaka]

Should not OSError be used?

[Ronbalt]

Should not OSError be used?

Do you mean in the example itself?
I do not really care what exception to be used as long as it is consistent with the output.

[iritkatriel]

You would have thought so, but actually IOError is an alias for OSError and this output is actually correct. I would suggest to replace the exception by some other type which is more suitable for a tutorial example.

[iritkatriel]

>>> str(IOError)
"<class 'OSError'>"

[Mariatta]

Can you create this against the main branch first? Or does it not exist in the main branch?

[github-actions]

This PR is stale because it has been open for 30 days with no activity. If the CLA is not signed within 14 days, it will be closed. See also https://devguide.python.org/pullrequest/#licensing

[github-actions]

Closing this stale PR because the CLA is still not signed.

[hugovk]

Just a note that any IOError / OSError confusion was cleared up in #23160 by replacing it with ConnectionError.

Also that was merged in December 2020, 9 months before this was opened. It was probably missed since this opened against the 3.9 branch instead of main.