diff --git a/ceph/utils.py b/ceph/utils.py
index 6331f9c..7665630 100644
--- a/ceph/utils.py
+++ b/ceph/utils.py
@@ -2171,7 +2171,7 @@ UCA_CODENAME_MAP = {
 def pretty_print_upgrade_paths():
     """Pretty print supported upgrade paths for ceph"""
     return ["{} -> {}".format(key, value)
-            for key, value in UPGRADE_PATHS.iteritems()]
+            for key, value in UPGRADE_PATHS.items()]
 
 
 def resolve_ceph_version(source):
diff --git a/unit_tests/test_utils.py b/unit_tests/test_utils.py
index 627dc3b..2490d47 100644
--- a/unit_tests/test_utils.py
+++ b/unit_tests/test_utils.py
@@ -506,6 +506,11 @@ class CephTestCase(unittest.TestCase):
         with self.assertRaises(Exception):
             utils.osd_noout(True)
 
+    def test_pretty_print_upgrade_paths(self):
+        expected = (['firefly -> hammer', 'jewel -> luminous',
+                     'hammer -> jewel'])
+        self.assertEqual(utils.pretty_print_upgrade_paths(), expected)
+
 
 class CephVersionTestCase(unittest.TestCase):
     @patch.object(utils, 'get_os_codename_install_source')