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bpo-42360: Add advice to help avoid pickling issues. #23305

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Nov 20, 2020
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bpo-42360: Add advice to help avoid pickling issues. #23305

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3 changes: 3 additions & 0 deletions Doc/library/collections.rst
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Expand Up @@ -862,6 +862,9 @@ they add the ability to access fields by name instead of position index.
Named tuple instances do not have per-instance dictionaries, so they are
lightweight and require no more memory than regular tuples.

To support pickling, the named tuple class should be assigned to a variable
that matches *typename*.

.. versionchanged:: 3.1
Added support for *rename*.

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