From 055dfaf65725bec60e2e85273ec10ce027798fde Mon Sep 17 00:00:00 2001
From: Jan Cholasta <jcholast@redhat.com>
Date: Thu, 23 Jun 2016 12:14:38 +0200
Subject: [PATCH] schema: do not crash in command_defaults if argument is None

https://fedorahosted.org/freeipa/ticket/4739

Reviewed-By: David Kupka <dkupka@redhat.com>
---
 ipaserver/plugins/schema.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ipaserver/plugins/schema.py b/ipaserver/plugins/schema.py
index c3a0e60ba..96a822491 100644
--- a/ipaserver/plugins/schema.py
+++ b/ipaserver/plugins/schema.py
@@ -266,8 +266,8 @@ class command_defaults(PKQuery):
     def execute(self, name, **options):
         command = self.api.Command[name]
 
-        params = options.get('params', [])
-        kw = options.get('kw', {})
+        params = options.get('params') or []
+        kw = options.get('kw') or {}
 
         result = command.get_default(params, **kw)