diff --git a/tempest/cmd/verify_tempest_config.py b/tempest/cmd/verify_tempest_config.py
index 2f4d120..8e71ecc 100644
--- a/tempest/cmd/verify_tempest_config.py
+++ b/tempest/cmd/verify_tempest_config.py
@@ -200,7 +200,7 @@
     if service != 'swift':
         resp = extensions_client.list_extensions()
     else:
-        __, resp = extensions_client.list_capabilities()
+        resp = extensions_client.list_capabilities()
     # For Nova, Cinder and Neutron we use the alias name rather than the
     # 'name' field because the alias is considered to be the canonical
     # name.