Remove future from dependencies

setup.py

@@ -53,5 +53,5 @@
       },      
       include_package_data=True,
       package_data={'textfsm': ['../testdata/*']},
-      install_requires=['six', 'future'],
+      install_requires=['six'],
      )

tests/clitable_test.py

@@ -16,11 +16,6 @@
 
 """Unittest for clitable script."""
 
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
-
 import copy
 import os
 import re

tests/copyable_regex_object_test.py

@@ -16,11 +16,6 @@
 
 """Tests for copyable_regex_object."""
 
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
-
 import copy
 import unittest
 

tests/terminal_test.py

@@ -17,11 +17,6 @@
 
 """Unittest for terminal module."""
 
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
-
 from builtins import range
 from builtins import object
 import sys

tests/textfsm_test.py

@@ -16,10 +16,6 @@
 # permissions and limitations under the License.
 
 """Unittest for textfsm module."""
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 from builtins import str
 import unittest

tests/texttable_test.py

@@ -16,11 +16,6 @@
 
 """Unittest for text table."""
 
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
-
 from builtins import range
 import unittest
 from io import StringIO

textfsm/clitable.py

@@ -24,10 +24,6 @@
 Is the glue between an automated command scraping program (such as RANCID) and
 the TextFSM output parser.
 """
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 import copy
 import os

textfsm/parser.py

@@ -24,11 +24,6 @@
 parse a specific type of text input, returning a record of values
 for each input entity.
 """
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
-
 
 import getopt
 import inspect

textfsm/terminal.py

@@ -17,11 +17,6 @@
 
 """Simple terminal related routines."""
 
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
-
 try:
   # Import fails on Windows machines.
   import fcntl

textfsm/texttable.py

@@ -23,11 +23,6 @@
 formats such as CSV and variable sized and justified rows.
 """
 
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
-
 import copy
 from functools import cmp_to_key
 import textwrap