Traceback (most recent call last):


 "/opt/anaconda3/lib/python3.8/site-packages/tornado/ioloop.py", line 743, in _run_callback

ret = callback()


 "/opt/anaconda3/lib/python3.8/site-packages/tornado/ioloop.py", line 767, in _discard_future_result

future.result()


 "/opt/anaconda3/lib/python3.8/site-packages/distributed/nanny.py", line 443, in _on_exit

await self.scheduler.unregister(address=self.worker_address)


 "/opt/anaconda3/lib/python3.8/site-packages/distributed/core.py", line 861, in send_recv_from_rpc

result = await send_recv(comm=comm, op=key, **kwargs)


 "/opt/anaconda3/lib/python3.8/site-packages/distributed/core.py", line 660, in send_recv

raise exc.with_traceback(tb)


 "/opt/anaconda3/lib/python3.8/site-packages/distributed/core.py", line 513, in handle_comm

result = await result


 "/opt/anaconda3/lib/python3.8/site-packages/distributed/scheduler.py", line 2208, in remove_worker

address = self.coerce_address(address)


 "/opt/anaconda3/lib/python3.8/site-packages/distributed/scheduler.py", line 4946, in coerce_address

raise TypeError("addresses should be strings or tuples, got %r" % (addr,))
TypeError: addresses should be strings or tuples, got None

Traceback (most recent call last):


 "hydra_test.py", line 39, in <module>

conf = smac.optimize()


 "/home/klaus/anaconda2/envs/acclingo-smac-new/lib/python3.7/site-packages/smac/facade/experimental/hydra_facade.py", line 177, in optimize

self.solver = SMAC4AC(scenario=scen, tae_runner=self._tae, rng=self.rng, run_id=self.run_id, **self.kwargs)


 "/home/klaus/anaconda2/envs/acclingo-smac-new/lib/python3.7/site-packages/smac/facade/smac_ac_facade.py", line 356, in __init__

tae_runner = tae_runner(**tae_def_kwargs)
TypeError: __init__() missing 1 required positional argument: 'required_arg'
