Fix setup.py

- Setup needs future module, install future using pip if not available.

setup.py

@@ -1,10 +1,3 @@
-from __future__ import unicode_literals
-from __future__ import print_function
-from __future__ import division
-from __future__ import absolute_import
-from future import standard_library
-standard_library.install_aliases()
-from builtins import object
 #!/usr/bin/env python
 # Licensed under the Apache License, Version 2.0 (the 'License');
 # you may not use this file except in compliance with the License.
@@ -20,11 +13,23 @@ from builtins import object
 # limitations under the License.
 
 # THIS FILE IS MANAGED BY THE GLOBAL REQUIREMENTS REPO - DO NOT EDIT
+from __future__ import unicode_literals
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 import os
 import sys
 import fileinput
 import re
 import pprint
+from subprocess import check_call
+try:
+    from future import standard_library
+except ImportError:
+    check_call(["pip", "install", "future"])
+    from future import standard_library
+standard_library.install_aliases()
+from builtins import object
 import distutils
 import configparser
 import setuptools