Fixes relative imports

mock/simulator/spot_gym_env.py

@@ -20,13 +20,13 @@ import pybullet_data
 from gym import spaces
 from gym.utils import seeding
 from pkg_resources import parse_version
-import spot
+from . import spot
 import pybullet_utils.bullet_client as bullet_client
 from gym.envs.registration import register
-from heightfield import HeightField
-from OpenLoopSM.SpotOL import BezierStepper
-import Kinematics.LieAlgebra as LA
-from spot_env_randomizer import SpotEnvRandomizer
+from .heightfield import HeightField
+from .OpenLoopSM.SpotOL import BezierStepper
+from .Kinematics import LieAlgebra as LA
+from .spot_env_randomizer import SpotEnvRandomizer
 
 NUM_SUBSTEPS = 5
 NUM_MOTORS = 12