Remove ununsed imports and variables

Author: hugovk

bin/jsondiff

@@ -4,7 +4,6 @@
 from __future__ import print_function
 
 import sys
-import os.path
 import json
 import jsonpatch
 import argparse

ext_tests.py

@@ -34,7 +34,6 @@
 """ Script to run external tests, eg from
 https://github.com/json-patch/json-patch-tests """
 
-from functools import partial
 import doctest
 import unittest
 import jsonpatch

jsonpatch.py

@@ -37,8 +37,6 @@
 import collections
 import copy
 import functools
-import inspect
-import itertools
 import json
 import sys
 

setup.py

@@ -1,10 +1,8 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-import sys
 import io
 import re
-import warnings
 try:
     from setuptools import setup
     has_setuptools = True

tests.py

@@ -366,7 +366,7 @@ def test_issue40(self):
 
         src = [8, 7, 2, 1, 0, 9, 4, 3, 5, 6]
         dest = [7, 2, 1, 0, 9, 4, 3, 6, 5, 8]
-        patch = jsonpatch.make_patch(src, dest)
+        jsonpatch.make_patch(src, dest)
 
     def test_issue76(self):
         """ Make sure op:remove does not include a 'value' field """