diff --git a/config_tempest/services/image.py b/config_tempest/services/image.py
index 836ef299..b8a93492 100644
--- a/config_tempest/services/image.py
+++ b/config_tempest/services/image.py
@@ -187,7 +187,7 @@ class ImageService(VersionedService):
         else:
             visibility = 'public'
 
-        with open(path) as data:
+        with open(path, 'rb') as data:
             image = self.client.create_image(name=name,
                                              disk_format=self.disk_format,
                                              container_format='bare',
diff --git a/config_tempest/services/services.py b/config_tempest/services/services.py
index cb2f25d2..42ab7298 100644
--- a/config_tempest/services/services.py
+++ b/config_tempest/services/services.py
@@ -228,7 +228,7 @@ class Services(object):
 
         horizon.configure_horizon(self._conf)
 
-        for service, codename in C.SERVICE_NAMES.iteritems():
+        for service, codename in C.SERVICE_NAMES.items():
             # ceilometer is still transitioning from metering to telemetry
             if service == 'telemetry' and self.is_service('metering'):
                 service = 'metering'