Add absolute_import future imports

Add absolute_import from __future__ so that pylint
does not fail and to achieve python3 behavior in
python2.

Reviewed-By: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>

ipatests/test_integration/test_uninstallation.py

@@ -10,6 +10,8 @@ state. Every failed uninstall should successfully remove remaining
 pieces if possible.
 """
 
+from __future__ import absolute_import
+
 from ipatests.test_integration.base import IntegrationTest
 from ipatests.pytest_plugins.integration import tasks
 from ipaplatform.paths import paths