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Change AEC last() to assert agent is not None #1120

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Oct 18, 2023
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Change AEC last() to assert agent is not None #1120

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2 changes: 1 addition & 1 deletion pettingzoo/utils/env.py
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Original file line number Diff line number Diff line change
Expand Up @@ -182,7 +182,7 @@ def last(
) -> tuple[ObsType | None, float, bool, bool, dict[str, Any]]:
"""Returns observation, cumulative reward, terminated, truncated, info for the current agent (specified by self.agent_selection)."""
agent = self.agent_selection
assert agent
assert agent is not None
observation = self.observe(agent) if observe else None
return (
observation,
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