Hotfix minecart with rgb obs

mo_gymnasium/envs/minecart/__init__.py

@@ -9,6 +9,13 @@
     max_episode_steps=1000,
 )
 
+register(
+    id="minecart-rgb-v0",
+    entry_point="mo_gymnasium.envs.minecart.minecart:Minecart",
+    kwargs={"image_observation": True},
+    max_episode_steps=1000,
+)
+
 register(
     id="minecart-deterministic-v0",
     entry_point="mo_gymnasium.envs.minecart.minecart:Minecart",

mo_gymnasium/envs/minecart/minecart.py

@@ -1,7 +1,6 @@
 import itertools
 import json
 import math
-from copy import deepcopy
 from math import ceil
 from pathlib import Path
 from typing import List, Optional
@@ -566,7 +565,7 @@ def reset(self, seed=None, **kwargs):
         super().reset(seed=seed)
 
         if self.screen is None and self.image_observation:
-            self.render(mode="rgb_array")  # init pygame
+            self.render()  # init pygame
 
         if self.image_observation:
             self.render_pygame()
@@ -675,13 +674,6 @@ def close(self):
             pygame.display.quit()
             pygame.quit()
 
-    def __deepcopy__(self, memo):
-        this_copy = Minecart(self.image_observation, self.config)
-        this_copy.cart = deepcopy(self.cart)
-        this_copy.mines = deepcopy(self.mines)
-        this_copy.end = self.end
-        return this_copy
-
 
 class Mine:
     """Class representing an individual Mine"""