diff --git a/contrib/tests/suite.py b/contrib/tests/test_suite.py
similarity index 97%
rename from contrib/tests/suite.py
rename to contrib/tests/test_suite.py
index 3ae582116..b171afb36 100644
--- a/contrib/tests/suite.py
+++ b/contrib/tests/test_suite.py
@@ -5,11 +5,16 @@
 import sys
 import json
 import unittest
-from io import StringIO
-from io import open
 
+from io import open
 from cortexutils.analyzer import Analyzer
 
+# Different lib when using python3 or 2
+if sys.version_info >= (3, 0):
+    from io import StringIO
+else:
+    from StringIO import StringIO
+
 
 def load_test_fixture(fixture_path):
     path = os.path.dirname(os.path.abspath(__file__))
@@ -19,6 +24,7 @@ def load_test_fixture(fixture_path):
     sys.stdin = StringIO(input)
     sys.stdout = StringIO()
 
+
 class TestMinimalConfig(unittest.TestCase):
 
     def setUp(self):
@@ -41,6 +47,7 @@ def test_params_data(self):
         self.assertEqual(self.analyzer.getParam('data'), "1.1.1.1")
         self.assertEqual(self.analyzer.get_param('data'), "1.1.1.1")
 
+
 class TestProxyConfig(unittest.TestCase):
 
     def setUp(self):
@@ -56,6 +63,7 @@ def test_proxy_config(self):
         self.assertEqual(os.environ['http_proxy'], proxy_url)
         self.assertEqual(os.environ['https_proxy'], proxy_url)
 
+
 class TestTlpConfig(unittest.TestCase):
 
     def setUp(self):
@@ -87,6 +95,7 @@ def test_check_tlp_ok(self):
         # __check_tlp
         self.assertEqual(self.analyzer._Analyzer__check_tlp(), True)
 
+
 class TestErrorResponse(unittest.TestCase):
 
     def setUp(self):
@@ -116,6 +125,7 @@ def test_error_response(self):
         self.assertEqual(json_output['input']['config']['apikey'], 'REMOVED')
         self.assertEqual(json_output['input']['config']['api_key'], 'REMOVED')
 
+
 class TestReportResponse(unittest.TestCase):
 
     def setUp(self):