From a38bd7964b419c769fb80a7e432ff937980cd802 Mon Sep 17 00:00:00 2001
From: Alexey Stepanov <astepanov@mirantis.com>
Date: Tue, 24 Nov 2015 16:07:16 +0300
Subject: [PATCH] Fix mutable default values for function

Default value: {} -> None, inside: if None -> {}

Change-Id: I97866f32dc1a8d74f52aa2810efdd96520516c7d
Closes-bug: #1519346
---
 devops/models/network.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/devops/models/network.py b/devops/models/network.py
index e89dea78..6018d69f 100644
--- a/devops/models/network.py
+++ b/devops/models/network.py
@@ -258,11 +258,13 @@ def addresses(self):
     @staticmethod
     def interface_create(network, node, type='network',
                          mac_address=None, model='virtio',
-                         interface_map={}):
+                         interface_map=None):
         """Create interface
 
         :rtype : Interface
         """
+        if interface_map is None:
+            interface_map = {}
         interfaces = []
 
         def _create(mac_addr=None):