Traceback (most recent call last):


 "/app/home/miniconda3/lib/python3.7/site-packages/distributed/core.py", line 412, in handle_comm

result = yield result


 "/app/home/miniconda3/lib/python3.7/site-packages/tornado/gen.py", line 729, in run

value = future.result()


 "/app/home/miniconda3/lib/python3.7/site-packages/tornado/gen.py", line 736, in run

yielded = self.gen.throw(*exc_info)
# type: ignore


 "/app/home/miniconda3/lib/python3.7/site-packages/distributed/scheduler.py", line 2496, in scatter

yield self.replicate(keys=keys, workers=workers, n=n)


 "/app/home/miniconda3/lib/python3.7/site-packages/tornado/gen.py", line 729, in run

value = future.result()


 "/app/home/miniconda3/lib/python3.7/site-packages/tornado/gen.py", line 736, in run

yielded = self.gen.throw(*exc_info)
# type: ignore


 "/app/home/miniconda3/lib/python3.7/site-packages/distributed/scheduler.py", line 2903, in replicate

for w, who_has in gathers.items()


 "/app/home/miniconda3/lib/python3.7/site-packages/tornado/gen.py", line 729, in run

value = future.result()


 "/app/home/miniconda3/lib/python3.7/site-packages/tornado/gen.py", line 501, in callback

result_list.append(f.result())


 "/app/home/miniconda3/lib/python3.7/site-packages/tornado/gen.py", line 736, in run

yielded = self.gen.throw(*exc_info)
# type: ignore


 "/app/home/miniconda3/lib/python3.7/site-packages/distributed/core.py", line 736, in send_recv_from_rpc

comm = yield self.pool.connect(self.addr)


 "/app/home/miniconda3/lib/python3.7/site-packages/tornado/gen.py", line 729, in run

value = future.result()


 "/app/home/miniconda3/lib/python3.7/site-packages/tornado/gen.py", line 736, in run

yielded = self.gen.throw(*exc_info)
# type: ignore


 "/app/home/miniconda3/lib/python3.7/site-packages/distributed/core.py", line 864, in connect

connection_args=self.connection_args,


 "/app/home/miniconda3/lib/python3.7/site-packages/tornado/gen.py", line 729, in run

value = future.result()


 "/app/home/miniconda3/lib/python3.7/site-packages/tornado/gen.py", line 736, in run

yielded = self.gen.throw(*exc_info)
# type: ignore


 "/app/home/miniconda3/lib/python3.7/site-packages/distributed/comm/core.py", line 230, in connect

_raise(error)


 "/app/home/miniconda3/lib/python3.7/site-packages/distributed/comm/core.py", line 207, in _raise

raise IOError(msg)
OSError: Timed out trying to connect to 'tcp://10.157.169.65:38615' after 10 s: in <distributed.comm.tcp.TCPConnector object at 0x7f2e3900f4a8>: ConnectionRefusedError: [Errno 111] Connection refused

Traceback (most recent call last):

 "/base/data/home/apps/s~sympy-live-hrd/34.366402816395225014/shell.py", line 760, in post
live.evaluate(statement, session, printer, stream)

 "/base/data/home/apps/s~sympy-live-hrd/34.366402816395225014/shell.py", line 364, in evaluate
exec code in statement_module.__dict__

 "<string>", line 1, in <module>NameError: name 'd' is not defined