Traceback (most recent call last):


 "/home/ubuntu/anaconda3/envs/pytorch_p36/lib/python3.6/multiprocessing/popen_fork.py", line 28, in poll

pid, sts = os.waitpid(self.pid, flag)


 "/home/ubuntu/anaconda3/envs/pytorch_p36/lib/python3.6/site-packages/torch/utils/data/_utils/signal_handling.py", line 63, in handler

_error_if_any_worker_fails()
RuntimeError: DataLoader worker (pid 3596) is killed by signal: Terminated. 

Traceback (most recent call last):


 "/Users/grepory/dev/opsee/compute/.env/lib/python2.7/site-packages/ansible/executor/process/worker.py", line 114, in run

self._shared_loader_obj,


 "/Users/grepory/dev/opsee/compute/.env/lib/python2.7/site-packages/ansible/executor/task_executor.py", line 91, in run

item_results = self._run_loop(items)


 "/Users/grepory/dev/opsee/compute/.env/lib/python2.7/site-packages/ansible/executor/task_executor.py", line 241, in _run_loop

res = self._execute(variables=task_vars)


 "/Users/grepory/dev/opsee/compute/.env/lib/python2.7/site-packages/ansible/executor/task_executor.py", line 356, in _execute

self._task.post_validate(templar=templar)


 "/Users/grepory/dev/opsee/compute/.env/lib/python2.7/site-packages/ansible/playbook/task.py", line 238, in post_validate

super(Task, self).post_validate(templar)


 "/Users/grepory/dev/opsee/compute/.env/lib/python2.7/site-packages/ansible/playbook/base.py", line 307, in post_validate

value = templar.template(getattr(self, name))


 "/Users/grepory/dev/opsee/compute/.env/lib/python2.7/site-packages/ansible/template/__init__.py", line 350, in template

d[k] = self.template(variable[k], preserve_trailing_newlines=preserve_trailing_newlines, fail_on_undefined=fail_on_undefined, overrides=overrides)


 "/Users/grepory/dev/opsee/compute/.env/lib/python2.7/site-packages/ansible/template/__init__.py", line 322, in template

result = self._do_template(variable, preserve_trailing_newlines=preserve_trailing_newlines, escape_backslashes=escape_backslashes, fail_on_undefined=fail_on_undefined, overrides=overrides)


 "/Users/grepory/dev/opsee/compute/.env/lib/python2.7/site-packages/ansible/template/__init__.py", line 474, in _do_template

res = j2_concat(rf)


 "<template>", line 15, in root


 "/Users/grepory/dev/opsee/compute/.env/lib/python2.7/site-packages/yaml/__init__.py", line 93, in safe_load

return load(stream, SafeLoader)


 "/Users/grepory/dev/opsee/compute/.env/lib/python2.7/site-packages/yaml/__init__.py", line 71, in load

return loader.get_single_data()


 "/Users/grepory/dev/opsee/compute/.env/lib/python2.7/site-packages/yaml/constructor.py", line 39, in get_single_data

return self.construct_document(node)


 "/Users/grepory/dev/opsee/compute/.env/lib/python2.7/site-packages/yaml/constructor.py", line 48, in construct_document

for dummy in generator:


 "/Users/grepory/dev/opsee/compute/.env/lib/python2.7/site-packages/yaml/constructor.py", line 398, in construct_yaml_map

value = self.construct_mapping(node)


 "/Users/grepory/dev/opsee/compute/.env/lib/python2.7/site-packages/yaml/constructor.py", line 208, in construct_mapping

return BaseConstructor.construct_mapping(self, node, deep=deep)


 "/Users/grepory/dev/opsee/compute/.env/lib/python2.7/site-packages/yaml/constructor.py", line 133, in construct_mapping

value = self.construct_object(value_node, deep=deep)


 "/Users/grepory/dev/opsee/compute/.env/lib/python2.7/site-packages/yaml/constructor.py", line 88, in construct_object

data = constructor(self, node)


 "/Users/grepory/dev/opsee/compute/.env/lib/python2.7/site-packages/yaml/constructor.py", line 414, in construct_undefined

node.start_mark)
ConstructorError: could not determine a constructor for the tag '!unsafe'
