Removes several pylint warnings.

This patche removes 93 pylint deprecation warnings due to invalid escape
sequences (mostly 'invalid escape sequence \d') on unicode strings.

Signed-off-by: Rafael Guterres Jeffman <rjeffman@redhat.com>
Reviewed-By: Christian Heimes <cheimes@redhat.com>

ipatests/test_xmlrpc/test_external_members.py

@@ -21,6 +21,8 @@ Test adding/removing external members (trusted domain objects) to IPA groups.
 These tests are skipped if trust is not established.
 """
 
+from __future__ import unicode_literals
+
 import unittest
 
 from ipalib import api
@@ -41,7 +43,7 @@ def get_trusted_group_name():
         return None
 
     ad_netbios = trusts['result'][0]['ipantflatname']
-    return u'%s\Domain Admins' % ad_netbios
+    return r'%s\Domain Admins' % ad_netbios
 
 
 @pytest.mark.tier1