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use threading.Lock instead of mp.Lock #1972

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use threading.Lock instead of mp.Lock #1972

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5 changes: 3 additions & 2 deletions python/cog/server/worker.py
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Original file line number Diff line number Diff line change
Expand Up @@ -247,7 +247,7 @@ def _publish(self, ev: _PublicEventType) -> None:
class LockedConn:
def __init__(self, conn: Connection) -> None:
self.conn = conn
self._lock = _spawn.Lock()
self._lock = threading.Lock()

def send(self, obj: Any) -> None:
with self._lock:
Expand All @@ -266,7 +266,7 @@ def __init__(
) -> None:
self._predictor_ref = predictor_ref
self._predictor: Optional[BasePredictor] = None
self._events = LockedConn(events)
self._unwrapped_events = events
self._tee_output = tee_output
self._cancelable = False

Expand All @@ -280,6 +280,7 @@ def run(self) -> None:

# We use SIGUSR1 to signal an interrupt for cancelation.
signal.signal(signal.SIGUSR1, self._signal_handler)
self._events = LockedConn(self._unwrapped_events)

redirector = StreamRedirector(
tee=self._tee_output,
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