ceph_daemon.py: Resolved ImportError to work with python3

Signed-off-by: Sarthak Munshi <sarthakmunshi@gmail.com>

diff --git a/src/test/pybind/test_ceph_daemon.py b/src/test/pybind/test_ceph_daemon.py
index a95c8fcda77ed4c3ef7605f089a8847b8ea13606..4fb68f705c394531f626bee23b1821c92a8d3e00 100755 (executable)
--- a/src/test/pybind/test_ceph_daemon.py
+++ b/src/test/pybind/test_ceph_daemon.py
@@ -11,12 +11,15 @@ License version 2, as published by the Free Software
 Foundation.  See file COPYING.
 """
 
-from StringIO import StringIO
-
 from unittest import TestCase
 
 from ceph_daemon import DaemonWatcher
 
+try:
+    from StringIO import StringIO
+except ImportError:
+    from io import StringIO
+
 
 class TestDaemonWatcher(TestCase):
     def test_format(self):