tree 45ec5b565af6c1f3fae1a2f2110b558ceed91576
parent 3b05ad7be09af1d4510eb698b0a70d36387f296e
author Stephan Hoyer <shoyer@gmail.com> 1540837812 -0700
committer Brian Curtin <brian@python.org> 1540837812 -0600

Include memo in the documented signature of copy.deepcopy()

* Include memo in the documented signature of copy.deepcopy()

The memo argument is mentioned lower on the doc page under writing a
`__deepcopy__` method, but is not included in the documented function signature.
This makes it easy to miss, and can lead to incorrect/buggy implementations of
`__deepcopy__` -- which is exatly what just happpend to me!