fix unit test

Author: Blueve

src/sonic-config-engine/tests/test_minigraph_case.py

@@ -1,6 +1,6 @@
 import os
 import subprocess
-import ipaddress
+import ipaddr as ipaddress
 
 import tests.common_utils as utils
 
@@ -181,12 +181,12 @@ def test_parse_device_desc_xml_mgmt_interface(self):
         self.assertEqual(len(mgmt_intf.keys()), 2)
         self.assertTrue(('eth0', '10.0.0.100/24') in mgmt_intf.keys())
         self.assertTrue(('eth0', 'FC00:1::32/64') in mgmt_intf.keys())
-        self.assertTrue(ipaddress.ip_address(u'10.0.0.1') == mgmt_intf[('eth0', '10.0.0.100/24')]['gwaddr'])
-        self.assertTrue(ipaddress.ip_address(u'fc00:1::1') == mgmt_intf[('eth0', 'FC00:1::32/64')]['gwaddr'])
+        self.assertTrue(ipaddress.IPAddress('10.0.0.1') == mgmt_intf[('eth0', '10.0.0.100/24')]['gwaddr'])
+        self.assertTrue(ipaddress.IPAddress('fc00:1::1') == mgmt_intf[('eth0', 'FC00:1::32/64')]['gwaddr'])
 
         # Special device_desc.xml with IPv6 mgmt address only
         result = minigraph.parse_device_desc_xml(self.sample_simple_device_desc_ipv6_only)
         mgmt_intf = result['MGMT_INTERFACE']
         self.assertEqual(len(mgmt_intf.keys()), 1)
         self.assertTrue(('eth0', 'FC00:1::32/64') in mgmt_intf.keys())
-        self.assertTrue(ipaddress.ip_address(u'fc00:1::1') == mgmt_intf[('eth0', 'FC00:1::32/64')]['gwaddr'])
+        self.assertTrue(ipaddress.IPAddress('fc00:1::1') == mgmt_intf[('eth0', 'FC00:1::32/64')]['gwaddr'])