Skip to content

[BugFix] Check agent presence before updating action mask in PettingZoo #3703

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
nshoman wants to merge 1 commit into
base: main
Choose a base branch
from
+2 −0
Open

[BugFix] Check agent presence before updating action mask in PettingZoo #3703

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions torchrl/envs/libs/pettingzoo.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -804,6 +804,8 @@ def _update_action_mask(self, td, observation_dict, info_dict):
group_mask = td.get((group, "action_mask"))
group_mask += True
for index, agent in enumerate(agents):
if agent not in observation_dict or agent not in info_dict:
continue
agent_obs = observation_dict[agent]
agent_info = info_dict[agent]
if isinstance(agent_obs, dict) and "action_mask" in agent_obs:
Expand Down
Loading