[sgd] Replaced class Resources in sgd with use_gpu (#5252)

python/ray/rllib/agents/impala/impala.py

@@ -10,7 +10,7 @@ from ray.rllib.optimizers import AsyncSamplesOptimizer
 from ray.rllib.optimizers.aso_tree_aggregator import TreeAggregator
 from ray.rllib.utils.annotations import override
 from ray.tune.trainable import Trainable
-from ray.tune.trial import Resources
+from ray.tune.resources import Resources
 
 # yapf: disable
 # __sphinx_doc_begin__

python/ray/rllib/agents/trainer.py

@@ -24,7 +24,8 @@ from ray.rllib.utils.memory import ray_get_and_free
 from ray.rllib.utils import try_import_tf
 from ray.tune.registry import ENV_CREATOR, register_env, _global_registry
 from ray.tune.trainable import Trainable
-from ray.tune.trial import Resources, ExportFormat
+from ray.tune.trial import ExportFormat
+from ray.tune.resources import Resources
 from ray.tune.logger import UnifiedLogger
 from ray.tune.result import DEFAULT_RESULTS_DIR
 

python/ray/rllib/train.py

@@ -11,7 +11,7 @@ import ray
 from ray.tests.cluster_utils import Cluster
 from ray.tune.config_parser import make_parser
 from ray.tune.result import DEFAULT_RESULTS_DIR
-from ray.tune.trial import resources_to_json
+from ray.tune.resources import resources_to_json
 from ray.tune.tune import _make_scheduler, run_experiments
 
 EXAMPLE_USAGE = """