Merge "Add missing import to the image_client"
diff --git a/tempest/services/image/json/image_client.py b/tempest/services/image/json/image_client.py
index d595ec3..e9276aa 100644
--- a/tempest/services/image/json/image_client.py
+++ b/tempest/services/image/json/image_client.py
@@ -16,6 +16,7 @@
 #    under the License.
 
 import copy
+import errno
 import json
 import os
 import time