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fix: normalize episode_seed type to prevent TypeError in replay_trajectory #1430

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fix: normalize episode_seed type to prevent TypeError in replay_trajectory #1430

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8 changes: 8 additions & 0 deletions mani_skill/trajectory/replay_trajectory.py
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Original file line number Diff line number Diff line change
Expand Up @@ -94,6 +94,14 @@ class ReplayResult:

def sanity_check_and_format_seed(episode):
"""sanity checks the trajectory seed aligns with the episode seed. reformats the reset kwargs seed if missing or formatted wrong"""
# normalize episode_seed to a scalar int (may be stored as numpy array or list)
episode_seed = episode["episode_seed"]
if isinstance(episode_seed, np.ndarray):
episode_seed = episode_seed.item() if episode_seed.ndim == 0 else episode_seed[0]
elif isinstance(episode_seed, (list, tuple)):
episode_seed = episode_seed[0]
episode["episode_seed"] = int(episode_seed)

if "seed" in episode["reset_kwargs"]:
if isinstance(episode["reset_kwargs"]["seed"], list):

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