[issue39210] Sorting falls back to use __gt__ when __lt__ is not present

[Mark Dickinson]

Mark Dickinson <dickinsm at gmail.com> added the comment:

Right, the HOWTO language could possibly be improved. The intended and practical message is that you *only* need to provide __lt__ everywhere for sort to work.

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nosy: +rhettinger, tim.peters

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39210>
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