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unisim.backend.isaacsim.backend.IsaacSimWorkerError

exception unisim.backend.isaacsim.backend.IsaacSimWorkerError

Bases: IsaacGymWorkerError

Raised when the external IsaacSim/IsaacLab worker fails.

IsaacGymWorkerError is retained as a compatibility ancestor because early subprocess adapters exposed that exception as the public worker failure type. The concrete class remains distinct, so callers can still distinguish IsaacSim failures with an exact type check while existing except IsaacGymWorkerError handlers continue to work.

Parameters:

• message (str)

• worker_traceback (str | None)

• stderr_tail (str | None)