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Swap width and height in RGBImgObsWrapper, add test #445

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merged 1 commit into from
Aug 24, 2024
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Swap width and height in RGBImgObsWrapper, add test #445

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2 changes: 1 addition & 1 deletion minigrid/wrappers.py
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Original file line number Diff line number Diff line change
Expand Up @@ -313,8 +313,8 @@ def __init__(self, env, tile_size=8):
low=0,
high=255,
shape=(
self.unwrapped.width * tile_size,
self.unwrapped.height * tile_size,
self.unwrapped.width * tile_size,
3,
),
dtype="uint8",
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10 changes: 10 additions & 0 deletions tests/test_wrappers.py
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Original file line number Diff line number Diff line change
Expand Up @@ -389,3 +389,13 @@ def test_no_death_wrapper():
assert reward_wrap == reward + death_cost
env.close()
env_wrap.close()


def test_non_square_RGBIMgObsWrapper():
"""
Add test for non-square dimensions with RGBImgObsWrapper
(https://github.com/Farama-Foundation/Minigrid/issues/444).
"""
env = RGBImgObsWrapper(gym.make("MiniGrid-BlockedUnlockPickup-v0"))
obs, info = env.reset()
assert env.observation_space["image"].shape == obs["image"].shape
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