Autoscaler Python 2 queue fix (#2205)

python/ray/autoscaler/autoscaler.py

@@ -8,7 +8,7 @@ import json
 import hashlib
 import math
 import os
-import queue
+from six.moves import queue
 import subprocess
 import threading
 import time

python/ray/rllib/bc/bc_evaluator.py

@@ -3,7 +3,7 @@ from __future__ import division
 from __future__ import print_function
 
 import pickle
-import queue
+from six.moves import queue
 
 import ray
 from ray.rllib.bc.experience_dataset import ExperienceDataset

python/ray/tune/util.py

@@ -3,7 +3,7 @@ from __future__ import division
 from __future__ import print_function
 
 import base64
-import queue
+from six.moves import queue
 import threading
 
 import ray