diff options
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: |