T4xx fixes

T404 WONTFIX

Change-Id: I2e94fa4762615b686635b82e1843bdc1c10dabb0
diff --git a/tempest/openstack/common/cfg.py b/tempest/openstack/common/cfg.py
index 08d9b47..cae4ecc 100644
--- a/tempest/openstack/common/cfg.py
+++ b/tempest/openstack/common/cfg.py
@@ -1437,7 +1437,7 @@
         logger.log(lvl, "=" * 80)
 
         def _sanitize(opt, value):
-            """Obfuscate values of options declared secret"""
+            """Obfuscate values of options declared secret."""
             return value if not opt.secret else '*' * len(str(value))
 
         for opt_name in sorted(self._opts):