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bpo-33798: Fix csv module comment regarding dict insertion order #7490

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4 changes: 1 addition & 3 deletions Doc/library/csv.rst
Original file line number Diff line number Diff line change
Expand Up @@ -203,9 +203,7 @@ The :mod:`csv` module defines the following classes:
:class:`writer` instance.

Note that unlike the :class:`DictReader` class, the *fieldnames* parameter
of the :class:`DictWriter` is not optional. Since Python's :class:`dict`
objects are not ordered, there is not enough information available to deduce
the order in which the row should be written to file *f*.
of the :class:`DictWriter` class is not optional.

A short usage example::

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