old_contents: # coding=utf-8
  # author@alingse
  # 2016.08.09
  
  import unittest
  
  from jsoncsv.jsontool import expand, restore
  from jsoncsv.jsontool import is_array
  
  class Testjsontool(unittest.TestCase):
  
      def test_string(self):
          s = "sss"
          exp = expand(s)
          _s = restore(exp)
          self.assertEqual(s, _s)
  
      def test_list(self):
          s = ["sss", "ttt", 1, 2, ["3"]]
          exp = expand(s)
          _s = restore(exp)
  
          self.assertListEqual(s, _s)
  
      def test_dict(self):
          s = {
                  "s": 1,
                  "w": 5,
                  "t": {
                      "m": 0,
                      "x": {
                          "y": "z"
                          }
                      }
              }
  
          exp = expand(s)
          _s = restore(exp)
  
          self.assertDictEqual(s, _s)
  
      def test_complex(self):
          s = [
                  {"s": 0},
                  {"t": ["2", {"x": "z"}]},
                  0,
                  "w",
                  ["x", "g", 1]
              ]
          exp = expand(s)
          _s = restore(exp)
  
          self.assertDictEqual(s[0], _s[0])
          self.assertDictEqual(s[1], _s[1])
  
          self.assertEqual(s[2], _s[2])
          self.assertEqual(s[3], _s[3])
  
          self.assertListEqual(s[4], _s[4])
  
      def test_is_array(self):
          assert is_array([0, 1, 2, 3])
          assert is_array(['0', '1', '2', '3'])
          assert not is_array([1, 2, 3])
          assert not is_array(['0', 1, 2])
  
new_contents: # coding=utf-8
  # author@alingse
  # 2016.08.09
  
  import unittest
  
  from jsoncsv.jsontool import expand, restore
  from jsoncsv.jsontool import is_array
  
  
  class Testjsontool(unittest.TestCase):
  
      def test_string(self):
          s = "sss"
          exp = expand(s)
          _s = restore(exp)
          self.assertEqual(s, _s)
  
      def test_list(self):
          s = ["sss", "ttt", 1, 2, ["3"]]
          exp = expand(s)
          _s = restore(exp)
  
          self.assertListEqual(s, _s)
  
      def test_dict(self):
          s = {
                  "s": 1,
                  "w": 5,
                  "t": {
                      "m": 0,
                      "x": {
                          "y": "z"
                          }
                      }
              }
  
          exp = expand(s)
          _s = restore(exp)
  
          self.assertDictEqual(s, _s)
  
      def test_complex(self):
          s = [
                  {"s": 0},
                  {"t": ["2", {"x": "z"}]},
                  0,
                  "w",
                  ["x", "g", 1]
              ]
          exp = expand(s)
          _s = restore(exp)
  
          self.assertDictEqual(s[0], _s[0])
          self.assertDictEqual(s[1], _s[1])
  
          self.assertEqual(s[2], _s[2])
          self.assertEqual(s[3], _s[3])
  
          self.assertListEqual(s[4], _s[4])
  
      def test_is_array(self):
          assert is_array([0, 1, 2, 3])
          assert is_array(['0', '1', '2', '3'])
          assert not is_array([1, 2, 3])
          assert not is_array(['0', 1, 2])
  
subject: fix it