Remove dependency on the "future" package.

Author: LeegleechN

average_precision_calculator.py

@@ -56,7 +56,6 @@
 import numbers
 
 import numpy
-from builtins import range
 
 
 class AveragePrecisionCalculator(object):

eval.py

@@ -25,7 +25,6 @@
 from tensorflow import flags
 from tensorflow import gfile
 from tensorflow import logging
-from builtins import range
 import utils
 
 FLAGS = flags.FLAGS

eval_util.py

@@ -17,7 +17,6 @@
 import numpy
 
 from tensorflow.python.platform import gfile
-from builtins import range
 
 import mean_average_precision_calculator as map_calculator
 import average_precision_calculator as ap_calculator

mean_average_precision_calculator.py

@@ -39,8 +39,6 @@
 
 import numpy
 import average_precision_calculator
-from builtins import range
-
 
 
 class MeanAveragePrecisionCalculator(object):

readers.py

@@ -18,7 +18,6 @@
 import utils
 
 from tensorflow import logging
-from builtins import range
 def resize_axis(tensor, axis, new_size, fill_value=0):
   """Truncates or pads a tensor to new_size on on a given axis.
 

train.py

@@ -26,7 +26,6 @@
 from tensorflow import flags
 from tensorflow import gfile
 from tensorflow import logging
-from builtins import range
 import utils
 
 FLAGS = flags.FLAGS

video_level_models.py

@@ -20,7 +20,6 @@
 import utils
 
 from tensorflow import flags
-from builtins import range
 import tensorflow.contrib.slim as slim
 
 FLAGS = flags.FLAGS