When I run the game, it works for a bit but then when the first asteroid

gets to the bottom I get this:

Traceback (most recent call last):
  File "/root/making_with_code/mwc1/unit3/lab_retro/nav_game.py", line 14, in <module>
    game.play()
  File "/root/making_with_code/mwc1/unit3/lab_retro/retro/game.py", line 80, in play
    agent.play_turn(self)
  File "/root/making_with_code/mwc1/unit3/lab_retro/asteroid.py", line 16, in play_turn
    game.remove_agent_by_name(self.name)
AttributeError: 'Asteroid' object has no attribute 'name'

blessed/color.pyi

@@ -0,0 +1,17 @@
+# std imports
+from typing import Dict, Tuple, Callable
+
+_RGB = Tuple[int, int, int]
+
+def rgb_to_xyz(red: int, green: int, blue: int) -> Tuple[float, float, float]: ...
+def xyz_to_lab(
+    x_val: float, y_val: float, z_val: float
+) -> Tuple[float, float, float]: ...
+def rgb_to_lab(red: int, green: int, blue: int) -> Tuple[float, float, float]: ...
+def dist_rgb(rgb1: _RGB, rgb2: _RGB) -> float: ...
+def dist_rgb_weighted(rgb1: _RGB, rgb2: _RGB) -> float: ...
+def dist_cie76(rgb1: _RGB, rgb2: _RGB) -> float: ...
+def dist_cie94(rgb1: _RGB, rgb2: _RGB) -> float: ...
+def dist_cie2000(rgb1: _RGB, rgb2: _RGB) -> float: ...
+
+COLOR_DISTANCE_ALGORITHMS: Dict[str, Callable[[_RGB, _RGB], float]]