diff options
Diffstat (limited to 'Lib/tempfile.py')
| -rw-r--r-- | Lib/tempfile.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Lib/tempfile.py b/Lib/tempfile.py index 07033c6..4543d3f 100644 --- a/Lib/tempfile.py +++ b/Lib/tempfile.py @@ -427,8 +427,10 @@ class _TemporaryFileWrapper: # iter() doesn't use __getattr__ to find the __iter__ method def __iter__(self): # 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. - # XXX Also don't use "yield from"! + # file as long as it's being used as iterator (see issue #23700). We + # can't use 'yield from' here because iter(file) returns the file + # object itself, which has a close method, and thus the file would get + # closed when the generator is finalized, due to PEP380 semantics. for line in self.file: yield line |