[issue32255] csv.writer converts None to '""\n' when it is first line, otherwise '\n'

[Licht Takeuchi]

Licht Takeuchi <licht-t at outlook.jp> added the comment:

Thanks for your investigation!
Would you mind if I create a new patch?

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue32255>
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