Add assert description. (#894)
**The assert was missing a description, I fixed it.** Please note: there is an error in the documentations, but it does not seem to be related to my changes.
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tianshou/env/venvs.py
vendored
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tianshou/env/venvs.py
vendored
@ -280,7 +280,7 @@ class BaseVectorEnv(object):
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assert (
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assert (
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isinstance(ret_list[0], (tuple, list)) and len(ret_list[0]) == 2
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isinstance(ret_list[0], (tuple, list)) and len(ret_list[0]) == 2
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and isinstance(ret_list[0][1], dict)
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and isinstance(ret_list[0][1], dict)
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)
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), "The environment does not adhere to the Gymnasium's API."
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obs_list = [r[0] for r in ret_list]
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obs_list = [r[0] for r in ret_list]
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