diff --git a/utils/__init__.py b/utils/__init__.py
index 8e858b3..8b04bab 100644
--- a/utils/__init__.py
+++ b/utils/__init__.py
@@ -1,6 +1,7 @@
-import os
-import yaml
 import logging
+import os
+import sys
+import yaml
 
 from utils import os_client
 
@@ -22,8 +23,8 @@
     cmp_hosts = config.get('CMP_HOSTS') or []
     skipped_nodes = config.get('skipped_nodes') or []
     if skipped_nodes:
-        print(("\nNotice: {} nodes will be skipped for vm2vm test".format(
-            ",".join(skipped_nodes))))
+        sys.stdout.write(("\nNotice: {} nodes will be skipped for vm2vm test"
+                          "".format(",".join(skipped_nodes))))
         logger.info("Skipping nodes {}".format(",".join(skipped_nodes)))
     if not cmp_hosts:
         openstack_clients = os_client.OfficialClientManager(
diff --git a/utils/helpers.py b/utils/helpers.py
index 800a9fe..add9e87 100644
--- a/utils/helpers.py
+++ b/utils/helpers.py
@@ -1,3 +1,5 @@
+import sys
+
 import texttable as tt
 
 
@@ -21,4 +23,4 @@
         for row in global_results:
             tab.add_row(row)
         s = tab.draw()
-        print(s)
+        sys.stdout.write(s)
diff --git a/utils/os_client.py b/utils/os_client.py
index 8ef55de..e22ce19 100644
--- a/utils/os_client.py
+++ b/utils/os_client.py
@@ -1,3 +1,9 @@
+import logging
+import os
+import random
+import sys
+import time
+
 from cinderclient import client as cinder_client
 from glanceclient import client as glance_client
 from keystoneauth1 import identity as keystone_identity
@@ -6,11 +12,6 @@
 from neutronclient.v2_0 import client as neutron_client
 from novaclient import client as novaclient
 
-import logging
-import os
-import random
-import time
-
 import utils
 
 logger = logging.getLogger(__name__)
@@ -64,7 +65,7 @@
                           tenant_name=None, auth_url=None, cert=None,
                           domain='Default'):
         if None in (username, password, tenant_name):
-            print((username, password, tenant_name))
+            sys.stdout.write((username, password, tenant_name))
             msg = ("Missing required credentials for identity client. "
                    "username: {username}, password: {password}, "
                    "tenant_name: {tenant_name}").format(