FIX: Add import that was lost in merge

tests/test_administration.py

@@ -33,6 +33,7 @@ from caosdb.exceptions import (ClientErrorException, HTTPAuthorizationException,
                                LoginFailedException, ResourceNotFoundException)
 from nose.tools import (assert_equal, assert_is_not_none, assert_raises,
                         assert_true)
+from pytest import raises
 
 test_role = "test_role"
 test_user = "test_user"