diff --git a/tests/common/test_client.py b/tests/common/test_client.py
index 637e7d5..d1fcf8e 100644
--- a/tests/common/test_client.py
+++ b/tests/common/test_client.py
@@ -1,5 +1,4 @@
 import logging
-import sys
 import unittest
 from unittest import mock
 
@@ -155,7 +154,6 @@ class TestClient(unittest.TestCase):
         with pytest.raises(ValueError):
             c.register_namespace(n)
 
-    @unittest.skipIf(sys.version_info < (3, 0), 'only for Python 3')
     def test_namespace_handler_wrong_async(self):
         class MyNamespace(async_namespace.AsyncClientNamespace):
             pass