Fix collections import

tests/tests.py

@@ -7,13 +7,17 @@
 """
 
 import sys
-import collections
 
 if sys.version_info[0:2] == (2, 6):
     import unittest2 as unittest
 else:
     import unittest
 
+if sys.version_info[0] == 3 and sys.version_info[1] > 2:
+    from collections.abc import Iterable, Iterator
+else:
+    from collections import Iterable, Iterator
+
 from iso639 import Iso639, languages
 from examples.logic import map_language
 from pycountry import languages as pclanguages
@@ -112,8 +116,8 @@ def test_len(self):
         self.assertEqual(len(languages), 7981)
 
     def test_iter(self):
-        self.assertIsInstance(languages, collections.Iterable)
-        self.assertIsInstance(iter(languages), collections.Iterator)
+        self.assertIsInstance(languages, Iterable)
+        self.assertIsInstance(iter(languages), Iterator)
 
     def test_exceptions(self):
         self.assertRaises(KeyError, languages.get, part1='En')  # Wrong value