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| author | Victor Stinner <victor.stinner@gmail.com> | 2017-09-01 12:46:44 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-09-01 12:46:44 (GMT) |
| commit | 60f3f1fb5cbf5354c3081138be806c56cb04153f (patch) | |
| tree | 9c2a2dd924700930d3a757c32809a768af0a5caa /Lib/concurrent | |
| parent | b5db7bb9da1120912a1795fbc6106d0eba5a01c7 (diff) | |
| download | cpython-60f3f1fb5cbf5354c3081138be806c56cb04153f.zip cpython-60f3f1fb5cbf5354c3081138be806c56cb04153f.tar.gz cpython-60f3f1fb5cbf5354c3081138be806c56cb04153f.tar.bz2 | |
bpo-31249: Fix ref cycle in ThreadPoolExecutor (#3253)
[3.6] bpo-31249: Fix ref cycle in ThreadPoolExecutor
Diffstat (limited to 'Lib/concurrent')
| -rw-r--r-- | Lib/concurrent/futures/thread.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Lib/concurrent/futures/thread.py b/Lib/concurrent/futures/thread.py index 03d276b..5ade790 100644 --- a/Lib/concurrent/futures/thread.py +++ b/Lib/concurrent/futures/thread.py @@ -53,8 +53,10 @@ class _WorkItem(object): try: result = self.fn(*self.args, **self.kwargs) - except BaseException as e: - self.future.set_exception(e) + except BaseException as exc: + self.future.set_exception(exc) + # Break a reference cycle with the exception 'exc' + self = None else: self.future.set_result(result) |