fixed issue at vimconn_openvim for extra disks

Change-Id: Ie43fc8d6ad878b397f9c512ce67baad863d8c56f
Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>
diff --git a/osm_ro/vimconn_openvim.py b/osm_ro/vimconn_openvim.py
index e86b54d..e722dc8 100644
--- a/osm_ro/vimconn_openvim.py
+++ b/osm_ro/vimconn_openvim.py
@@ -596,6 +596,9 @@
         '''Returns the flavor identifier'''
         try:
             new_flavor_dict = flavor_data.copy()
+            for device in new_flavor_dict.get('extended', {}).get('devices', ()):
+                if 'image name' in device:
+                    del device['image name']
             new_flavor_dict["name"] = flavor_data["name"][:64]
             self._get_my_tenant()
             payload_req = json.dumps({'flavor': new_flavor_dict})