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bpo-27497: Add return value to csv.DictWriter.writeheader (GH-12306)

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csv.DictWriter.writeheader() now returns the return value of the
underlying csv.Writer.writerow() method.

Patch contributed by Ashish Nitin Patil.
This commit is contained in:
Rémi Lapeyre 2019-05-10 03:50:11 +02:00 • committed by Victor Stinner
parent d237b3f0f6
commit fce5ff1e18
4 changed files with 18 additions and 3 deletions
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2
Lib/csv.py
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@ -140,7 +140,7 @@ class DictWriter:
def writeheader(self):
header = dict(zip(self.fieldnames, self.fieldnames))
self.writerow(header)
return self.writerow(header)
def _dict_to_list(self, rowdict):
if self.extrasaction == "raise":