union not supported by python3.9 without from __future__ import annot…

…ations

gym/f110_gym/envs/base_classes.py

@@ -26,6 +26,7 @@
 Replacement of the old RaceCar, Simulator classes in C++
 Author: Hongrui Zheng
 """
+from __future__ import annotations
 import numpy as np
 from f110_gym.envs.dynamic_models import DynamicModel
 from f110_gym.envs.action import CarAction

gym/f110_gym/envs/laser_models.py

@@ -25,6 +25,7 @@
 Prototype of Utility functions and classes for simulating 2D LIDAR scans
 Author: Hongrui Zheng
 """
+from __future__ import annotations
 import unittest
 
 import numpy as np

gym/f110_gym/envs/observation.py

@@ -1,3 +1,4 @@
+from __future__ import annotations
 from abc import abstractmethod
 from typing import List
 

gym/f110_gym/envs/rendering/objects.py

@@ -1,3 +1,4 @@
+from __future__ import annotations
 import cv2
 import numpy as np
 import pygame

gym/f110_gym/envs/rendering/renderer.py

@@ -1,7 +1,8 @@
+from __future__ import annotations
 import pathlib
 from abc import abstractmethod, ABC
 from dataclasses import dataclass
-from typing import Callable, Optional, Any
+from typing import Optional, Any
 
 import numpy as np
 import yaml

gym/f110_gym/envs/rendering/rendering_pygame.py

@@ -1,3 +1,4 @@
+from __future__ import annotations
 import logging
 import math
 from typing import Any, Callable, Optional

gym/f110_gym/envs/reset/__init__.py

@@ -1,3 +1,4 @@
+from __future__ import annotations
 from f110_gym.envs.reset.masked_reset import GridResetFn, AllTrackResetFn
 from f110_gym.envs.reset.reset_fn import ResetFn
 from f110_gym.envs.track import Track

gym/f110_gym/envs/reset/utils.py

@@ -1,6 +1,6 @@
 import numpy as np
 
-from f110_gym.envs.track import Track, Raceline
+from f110_gym.envs.track import Raceline
 
 
 def sample_around_waypoint(

gym/f110_gym/envs/track/cubic_spline.py

@@ -2,6 +2,7 @@
 Code from Cubic spline planner
 Author: Atsushi Sakai(@Atsushi_twi)
 """
+from __future__ import annotations
 import bisect
 import math
 

gym/f110_gym/envs/track/raceline.py

@@ -1,3 +1,4 @@
+from __future__ import annotations
 import pathlib
 from typing import Optional
 

gym/f110_gym/envs/track/track.py

@@ -1,3 +1,4 @@
+from __future__ import annotations
 import pathlib
 from dataclasses import dataclass
 from typing import Tuple, Optional