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Diffstat (limited to 'Lib/tempfile.py')
| -rw-r--r-- | Lib/tempfile.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Lib/tempfile.py b/Lib/tempfile.py index 0522c79..0bfcbf1 100644 --- a/Lib/tempfile.py +++ b/Lib/tempfile.py @@ -426,7 +426,9 @@ class _TemporaryFileWrapper: # iter() doesn't use __getattr__ to find the __iter__ method def __iter__(self): - return iter(self.file) + # don't return iter(self.file), but yield from it to avoid closing + # file as long as it's being used as iterator, see issue #23000 + yield from iter(self.file) def NamedTemporaryFile(mode='w+b', buffering=-1, encoding=None, |