
Traceback (most recent call last):


 "./bug_sample.py", line 27, in ping_pong

ping.delay().get()


 "/home/ivanov/files/cwd/celery/celery/result.py", line 224, in get

on_message=on_message,


 "/home/ivanov/files/cwd/celery/celery/backends/async.py", line 188, in wait_for_pending

for _ in self._wait_for_pending(result, **kwargs):


 "/home/ivanov/files/cwd/celery/celery/backends/async.py", line 255, in _wait_for_pending

on_interval=on_interval):


 "/home/ivanov/files/cwd/celery/celery/backends/async.py", line 56, in drain_events_until

yield self.wait_for(p, wait, timeout=1)


 "/home/ivanov/files/cwd/celery/celery/backends/async.py", line 65, in wait_for

wait(timeout=timeout)


 "/home/ivanov/files/cwd/celery/celery/backends/rpc.py", line 63, in drain_events

return self._connection.drain_events(timeout=timeout)


 "/home/ivanov/files/opt/miniconda3/envs/mlservice/lib/python3.6/site-packages/kombu/connection.py", line 301, in drain_events

return self.transport.drain_events(self.connection, **kwargs)


 "/home/ivanov/files/opt/miniconda3/envs/mlservice/lib/python3.6/site-packages/kombu/transport/pyamqp.py", line 103, in drain_events

return connection.drain_events(**kwargs)


 "/home/ivanov/files/opt/miniconda3/envs/mlservice/lib/python3.6/site-packages/amqp/connection.py", line 491, in drain_events

while not self.blocking_read(timeout):


 "/home/ivanov/files/opt/miniconda3/envs/mlservice/lib/python3.6/site-packages/amqp/connection.py", line 496, in blocking_read

frame = self.transport.read_frame()


 "/home/ivanov/files/opt/miniconda3/envs/mlservice/lib/python3.6/site-packages/amqp/transport.py", line 243, in read_frame

frame_header = read(7, True)


 "/home/ivanov/files/opt/miniconda3/envs/mlservice/lib/python3.6/site-packages/amqp/transport.py", line 426, in _read

raise IOError('Socket closed') 

OSError: Socket closed

Traceback (most recent call last):


 "Lib/test/test_support.py", line 98, in test_find_unused_port

port = support.find_unused_port()


 "/home/skz/Projects/RustPython/vm/pylib-crate/Lib/test/support/__init__.py", line 759, in find_unused_port

port = bind_port(tempsock)


 "/home/skz/Projects/RustPython/vm/pylib-crate/Lib/test/support/__init__.py", line 759, in find_unused_port

port = bind_port(tempsock)


 "/home/skz/Projects/RustPython/vm/pylib-crate/Lib/test/support/__init__.py", line 796, in bind_port

sock.bind((host, 0))
OSError: Address family not supported by protocol (os error 97)
