[docs] [issue21056] csv documentation is incorrect

[Josh Rosenberg]

Josh Rosenberg added the comment:

Aside from the method being named __next__(), it's the same flaw in all copies of the Py3 documentation.

I don't think explicitly enumerating types is the way to go though. I'd just remove the documentation for __next__, and leave it up to the per-type documentation to describe the data structure returned when iterating. None of the other built-in types in Py3 bother to explicitly document "internal" methods like __next__, but rather describe iteration while describing the type itself.

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nosy: +josh.rosenberg

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<http://bugs.python.org/issue21056>
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