From 9c48cc27aaae8f6a7c4081e23f8a6058a958aeca Mon Sep 17 00:00:00 2001 From: bjg2 Date: Fri, 1 Mar 2019 22:27:27 +0100 Subject: [PATCH] [wingman -> rllib] Removed remote evaluators assert (#4165) --- python/ray/rllib/optimizers/async_samples_optimizer.py | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/python/ray/rllib/optimizers/async_samples_optimizer.py b/python/ray/rllib/optimizers/async_samples_optimizer.py index d245f48de..039fea346 100644 --- a/python/ray/rllib/optimizers/async_samples_optimizer.py +++ b/python/ray/rllib/optimizers/async_samples_optimizer.py @@ -84,7 +84,8 @@ class AsyncSamplesOptimizer(PolicyOptimizer): learner_queue_size) self.learner.start() - assert len(self.remote_evaluators) > 0 + if len(self.remote_evaluators) == 0: + logger.warning("Config num_workers=0 means training will hang!") # Stats self._optimizer_step_timer = TimerStat()