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[3.6] call remove_done_callback in finally section (GH-1688) (#1755) 

(cherry picked from commit 21b3e04c13)
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Łukasz Langa 2017-05-23 00:36:23 -07:00 committed by GitHub
parent 762add7877
commit 70705e3cdf
1 changed files with 2 additions and 1 deletions
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3
Lib/asyncio/base_events.py
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@ -459,7 +459,8 @@ class BaseEventLoop(events.AbstractEventLoop):
# local task. # local task.
future.exception() future.exception()
raise raise
future.remove_done_callback(_run_until_complete_cb) finally:
future.remove_done_callback(_run_until_complete_cb)
if not future.done(): if not future.done():
raise RuntimeError('Event loop stopped before Future completed.') raise RuntimeError('Event loop stopped before Future completed.')