Return empty list when there is no matching resource instsnce items to return

Author: gopal

kubernetes/base/dynamic/resource.py

@@ -291,7 +291,7 @@ def __init__(self, client, instance):
         kind = instance['kind']
         if kind.endswith('List') and 'items' in instance:
             kind = instance['kind'][:-4]
-            for item in instance['items']:
+            for item in instance.get('items', []):
                 if 'apiVersion' not in item:
                     item['apiVersion'] = instance['apiVersion']
                 if 'kind' not in item: