Traceback (most recent call last):


 "/usr/local/lib/python3.7/site-packages/gunicorn/arbiter.py", line 583, in spawn_worker

worker.init_process()


 "/usr/local/lib/python3.7/site-packages/gunicorn/workers/base.py", line 133, in init_process

callback=changed)
TypeError: __init__() got an unexpected keyword argument 'extra_files'

Traceback (most recent call last):


 "issue_serving_server.py", line 71, in <module>

ppo.train()


 "/auto/homes/jb2270/master-project/venv_ray_master/lib/python3.6/site-packages/ray/rllib/agents/trainer.py", line 497, in train

raise e


 "/auto/homes/jb2270/master-project/venv_ray_master/lib/python3.6/site-packages/ray/rllib/agents/trainer.py", line 483, in train

result = Trainable.train(self)


 "/auto/homes/jb2270/master-project/venv_ray_master/lib/python3.6/site-packages/ray/tune/trainable.py", line 254, in train

result = self._train()


 "/auto/homes/jb2270/master-project/venv_ray_master/lib/python3.6/site-packages/ray/rllib/agents/trainer_template.py", line 133, in _train

fetches = self.optimizer.step()


 "/auto/homes/jb2270/master-project/venv_ray_master/lib/python3.6/site-packages/ray/rllib/optimizers/sync_samples_optimizer.py", line 62, in step

samples.append(self.workers.local_worker().sample())


 "/auto/homes/jb2270/master-project/venv_ray_master/lib/python3.6/site-packages/ray/rllib/evaluation/rollout_worker.py", line 488, in sample

batches = [self.input_reader.next()]


 "/auto/homes/jb2270/master-project/venv_ray_master/lib/python3.6/site-packages/ray/rllib/evaluation/sampler.py", line 52, in next

batches = [self.get_data()]


 "/auto/homes/jb2270/master-project/venv_ray_master/lib/python3.6/site-packages/ray/rllib/evaluation/sampler.py", line 95, in get_data

item = next(self.rollout_provider)


 "/auto/homes/jb2270/master-project/venv_ray_master/lib/python3.6/site-packages/ray/rllib/evaluation/sampler.py", line 315, in _env_runner

soft_horizon, no_done_at_end)


 "/auto/homes/jb2270/master-project/venv_ray_master/lib/python3.6/site-packages/ray/rllib/evaluation/sampler.py", line 461, in _process_observations

episode.batch_builder.postprocess_batch_so_far(episode)


 "/auto/homes/jb2270/master-project/venv_ray_master/lib/python3.6/site-packages/ray/rllib/evaluation/sample_batch_builder.py", line 152, in postprocess_batch_so_far

pre_batch, other_batches, episode)


 "/auto/homes/jb2270/master-project/venv_ray_master/lib/python3.6/site-packages/ray/rllib/policy/torch_policy_template.py", line 109, in postprocess_trajectory

episode)


 "/auto/homes/jb2270/master-project/venv_ray_master/lib/python3.6/site-packages/ray/rllib/agents/ppo/ppo_tf_policy.py", line 191, in postprocess_ppo_gae

use_gae=policy.config["use_gae"])


 "/auto/homes/jb2270/master-project/venv_ray_master/lib/python3.6/site-packages/ray/rllib/evaluation/postprocessing.py", line 45, in compute_advantages

traj[key] = np.stack(rollout[key])


 "<__array_function__ internals>", line 6, in stack


 "/auto/homes/jb2270/master-project/venv_ray_master/lib/python3.6/site-packages/numpy/core/shape_base.py", line 420, in stack

arrays = [asanyarray(arr) for arr in arrays]


 "/auto/homes/jb2270/master-project/venv_ray_master/lib/python3.6/site-packages/numpy/core/shape_base.py", line 420, in <listcomp>

arrays = [asanyarray(arr) for arr in arrays]


 "/auto/homes/jb2270/master-project/venv_ray_master/lib/python3.6/site-packages/numpy/core/_asarray.py", line 138, in asanyarray

return array(a, dtype, copy=False, order=order, subok=True)


 "/auto/homes/jb2270/master-project/venv_ray_master/lib/python3.6/site-packages/torch/tensor.py", line 486, in __array__

return self.numpy()
TypeError: can't convert CUDA tensor to numpy. Use Tensor.cpu() to copy the tensor to host memory first.
