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| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2022-08-15 22:01:23 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-08-15 22:01:23 (GMT) |
| commit | 8bd7a0b5810529cd3ed378de42a74e9301856f12 (patch) | |
| tree | 8694a7367a7b68d1f702ef38ab818bac2bd2d5c0 /Lib/asyncio/runners.py | |
| parent | 3fa97b8589c551e70ec935e7f39d56c3c5d5ed7e (diff) | |
| download | cpython-8bd7a0b5810529cd3ed378de42a74e9301856f12.zip cpython-8bd7a0b5810529cd3ed378de42a74e9301856f12.tar.gz cpython-8bd7a0b5810529cd3ed378de42a74e9301856f12.tar.bz2 | |
GH-95899: fix asyncio.Runner to call set_event_loop only once (GH-95900) (#96003)
(cherry picked from commit 914f6367a0d015986dafa7a9d542e24192753b6b)
Co-authored-by: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
Diffstat (limited to 'Lib/asyncio/runners.py')
| -rw-r--r-- | Lib/asyncio/runners.py | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/Lib/asyncio/runners.py b/Lib/asyncio/runners.py index a19a7f9..b3e0c44 100644 --- a/Lib/asyncio/runners.py +++ b/Lib/asyncio/runners.py @@ -115,8 +115,6 @@ class Runner: self._interrupt_count = 0 try: - if self._set_event_loop: - events.set_event_loop(self._loop) return self._loop.run_until_complete(task) except exceptions.CancelledError: if self._interrupt_count > 0: @@ -137,7 +135,11 @@ class Runner: return if self._loop_factory is None: self._loop = events.new_event_loop() - self._set_event_loop = True + if not self._set_event_loop: + # Call set_event_loop only once to avoid calling + # attach_loop multiple times on child watchers + events.set_event_loop(self._loop) + self._set_event_loop = True else: self._loop = self._loop_factory() if self._debug is not None: |