in src/sagemaker_mxnet_container/training.py [0:0]
def _run_mxnet_process(role, hosts, ps_port, ps_verbose):
role_env = os.environ.copy()
role_env.update(_env_vars_for_role(role, hosts, ps_port, ps_verbose))
subprocess.Popen("python -c 'import mxnet'", shell=True, env=role_env).pid