Fixes Bug 1004138 - Fix for Bug 992275 Breaks on Python < 2.7.

This is the offending code:

import unittest2 as unittest
from unittest.case import SkipTest

The fix is:

remove the import line
change the "from" line to:

from unittest2.case import SkipTest

Change-Id: I321eb401da8dec6c2732f3913af611bf78f684f5
diff --git a/tempest/tests/test_floating_ips_actions.py b/tempest/tests/test_floating_ips_actions.py
index ef99654..7029dfc 100644
--- a/tempest/tests/test_floating_ips_actions.py
+++ b/tempest/tests/test_floating_ips_actions.py
@@ -3,8 +3,7 @@
 from tempest import exceptions
 from tempest.common.utils.data_utils import rand_name
 from base_compute_test import BaseComputeTest
-import unittest2 as unittest
-from unittest.case import SkipTest
+from unittest2.case import SkipTest
 
 
 class FloatingIPsTest(BaseComputeTest):