commit d233dbea8e0a08628294c40d690004d996f28f0c
Author: Lingxian Kong <anlin.kong@gmail.com>
Date:   Fri Oct 9 01:55:03 2020 +1300

    image is not required for creating datastore version
    
    Change-Id: Ic4efe1fec9b26b90d1412ab13b94939961bb4be3

diff --git a/troveclient/v1/management.py b/troveclient/v1/management.py
index ebe4e2e..38923ad 100644
--- a/troveclient/v1/management.py
+++ b/troveclient/v1/management.py
@@ -237,13 +237,14 @@ class MgmtDatastoreVersions(base.ManagerWithFind):
                 "name": name,
                 "datastore_name": datastore_name,
                 "datastore_manager": datastore_manager,
-                "image": image,
                 "image_tags": image_tags,
                 "packages": packages,
                 "active": json.loads(active),
                 "default": json.loads(default)
             }
         }
+        if image:
+            body['version']['image'] = image
 
         return self._create("/mgmt/datastore-versions", body, None, True)