flatten related services list

inventory_provider/routes/classifier.py

@@ -76,10 +76,11 @@ def get_trap_metadata(source_equipment, interface):
 
         def _related_services():
             for related in related_interfaces(source_equipment, interface):
-                s = r.get('opsdb:interface_services:%s:%s'
+                rs = r.get('opsdb:interface_services:%s:%s'
                           % (source_equipment, related))
-                if s:
-                    yield json.loads(s.decode('utf-8'))
+                if rs:
+                    for s in json.loads(rs.decode('utf-8')):
+                        yield s
 
         related_services = list(_related_services())
         if related_services: