Add the argument disk_type validation in the method DecortController.account_disks

library/decort_account_info.py

@@ -141,7 +141,7 @@ class DecortAccountInfo(DecortController):
                                 ),
                                 type=dict(
                                     type='str',
-                                    choices=['B', 'D'],
+                                    choices=self.DISK_TYPES,
                                 ),
                             ),
                         ),