import gym
import gym_navops
env = gym.make('NavOps-v0')
env = gym.make('NavOpsDiscrete-v0')
env = gym.make('NavOpsMultiDiscrete-v0')
# For more details..
env = gym.make(
'NavOps[[Multi]Discrete]-v0',
worker_id=0,
base_port=None,
seed=0,
no_graphics=False,
mock=False
)