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

[Serhiy Storchaka]

Serhiy Storchaka <storchaka+cpython at gmail.com> added the comment:


New changeset 2001900b0c02a397d8cf1d776a7cc7fcb2a463e3 by Serhiy Storchaka (Licht Takeuchi) in branch 'master':
bpo-32255: Always quote a single empty field when write into a CSV file. (#4769)
https://github.com/python/cpython/commit/2001900b0c02a397d8cf1d776a7cc7fcb2a463e3


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<https://bugs.python.org/issue32255>
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