Edit: mixins.py
"""Event loop mixins.""" import threading from . import events _global_lock = threading.Lock() class _LoopBoundMixin: _loop = None def _get_loop(self): loop = events._get_running_loop() if self._loop is None: with _global_lock: if self._loop is None: self._loop = loop if loop is not self._loop: raise RuntimeError(f'{self!r} is bound to a different event loop') return loop
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