diff options
Diffstat (limited to 'Lib/csv.py')
| -rw-r--r-- | Lib/csv.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/csv.py b/Lib/csv.py index 0481ea5586..0349e0bd11 100644 --- a/Lib/csv.py +++ b/Lib/csv.py @@ -145,7 +145,7 @@ class DictWriter: def _dict_to_list(self, rowdict): if self.extrasaction == "raise": - wrong_fields = [k for k in rowdict if k not in self.fieldnames] + wrong_fields = rowdict.keys() - self.fieldnames if wrong_fields: raise ValueError("dict contains fields not in fieldnames: " + ", ".join([repr(x) for x in wrong_fields])) |