Traceback (most recent call last):


 "/usr/lib/python2.7/site-packages/salt/utils/process.py", line 747, in _run

return self._original_run()


 "/usr/lib64/python2.7/multiprocessing/process.py", line 114, in run

self._target(*self._args, **self._kwargs)


 "/usr/lib/python2.7/site-packages/salt/client/ssh/__init__.py", line 518, in handle_routine

**target)


 "/usr/lib/python2.7/site-packages/salt/client/ssh/__init__.py", line 920, in __init__

self.shell = salt.client.ssh.shell.gen_shell(opts, **args)


 "/usr/lib/python2.7/site-packages/salt/client/ssh/shell.py", line 63, in gen_shell

shell = Shell(opts, **kwargs)


 "/usr/lib/python2.7/site-packages/salt/client/ssh/shell.py", line 90, in __init__

self.host = host.strip('[]')
AttributeError: 'NoneType' object has no attribute 'strip'

Traceback (most recent call last):



 "/Users/fedor/anaconda3/envs/vpg-env/lib/python3.6/multiprocessing/process.py", line 258, in _bootstrap


self.run()



 "/Users/fedor/anaconda3/envs/vpg-env/lib/python3.6/multiprocessing/process.py", line 93, in run


self._target(*self._args, **self._kwargs)



 "/Users/fedor/anaconda3/envs/vpg-env/lib/python3.6/site-packages/catalyst/rl/scripts/run_samplers.py", line 154, in run_sampler


sampler.run()



 "/Users/fedor/anaconda3/envs/vpg-env/lib/python3.6/site-packages/catalyst/rl/core/sampler.py", line 317, in run


self._start_sample_loop()



 "/Users/fedor/anaconda3/envs/vpg-env/lib/python3.6/site-packages/catalyst/rl/core/sampler.py", line 313, in _start_sample_loop


self._run_sample_loop()



 "/Users/fedor/anaconda3/envs/vpg-env/lib/python3.6/site-packages/catalyst/rl/core/sampler.py", line 291, in _run_sample_loop


trajectory, trajectory_info = self._run_trajectory_loop()



 "/Users/fedor/anaconda3/envs/vpg-env/lib/python3.6/site-packages/torch/autograd/grad_mode.py", line 49, in decorate_no_grad


return func(*args, **kwargs)



 "/Users/fedor/anaconda3/envs/vpg-env/lib/python3.6/site-packages/catalyst/rl/core/sampler.py", line 264, in _run_trajectory_loop


self.trajectory_sampler.reset(exploration_strategy)



 "/Users/fedor/anaconda3/envs/vpg-env/lib/python3.6/site-packages/torch/autograd/grad_mode.py", line 49, in decorate_no_grad


return func(*args, **kwargs)



 "/Users/fedor/anaconda3/envs/vpg-env/lib/python3.6/site-packages/catalyst/rl/core/trajectory_sampler.py", line 139, in reset


self._init_with_observation(observation)



 "/Users/fedor/anaconda3/envs/vpg-env/lib/python3.6/site-packages/catalyst/rl/core/trajectory_sampler.py", line 77, in _init_with_observation


self.observations.append(observation)



 "/Users/fedor/anaconda3/envs/vpg-env/lib/python3.6/site-packages/catalyst/utils/dynamic_array.py", line 154, in append


value = self._as_dtype(value)



 "/Users/fedor/anaconda3/envs/vpg-env/lib/python3.6/site-packages/catalyst/utils/dynamic_array.py", line 140, in _as_dtype


for key in self._dtype.fields.keys():

AttributeError: 'NoneType' object has no attribute 'keys'

