[RLlib] Fix for issue https://github.com/ray-project/ray/issues/8191 (#8200)

Fix attribute error when missing exploration in Policy. Issue #8191
2026-08-12 12:20:11 +08:00 · 2020-04-27 23:19:26 +02:00
parent 48250217ac
commit 4e713152e9
4 changed files with 19 additions and 15 deletions
@@ -152,8 +152,10 @@ class MultiAgentSampleBatchBuilder:
            post_batches[agent_id] = policy.postprocess_trajectory(
                pre_batch, other_batches, episode)
            # Call the Policy's Exploration's postprocess method.
-            policy.exploration.postprocess_trajectory(
-                policy, post_batches[agent_id], getattr(policy, "_sess", None))
+            if getattr(policy, "exploration", None) is not None:
+                policy.exploration.postprocess_trajectory(
+                    policy, post_batches[agent_id],
+                    getattr(policy, "_sess", None))

        if log_once("after_post"):
            logger.info(