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Allow parallel envs to have other optional keys in info/obs dicts (e.g., "common") #1110

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Sep 27, 2023
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Allow parallel envs to have other optional keys in info/obs dicts (e.g., "common") #1110

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5 changes: 3 additions & 2 deletions pettingzoo/test/parallel_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -49,8 +49,9 @@ def parallel_api_test(par_env: ParallelEnv, num_cycles=1000):

assert isinstance(obs, dict)
assert isinstance(infos, dict)
assert set(obs.keys()) == (set(par_env.agents))
assert set(infos.keys()) == (set(par_env.agents))
# Note: obs and info dicts must contain all AgentIDs, but can also have other additional keys (e.g., "common")
assert set(par_env.agents).issubset(set(obs.keys()))
assert set(par_env.agents).issubset(set(infos.keys()))
terminated = {agent: False for agent in par_env.agents}
truncated = {agent: False for agent in par_env.agents}
live_agents = set(par_env.agents[:])
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