authn: Fix error in call to logger.

rhodecode/authentication/routes.py

@@ -128,7 +128,7 b' class AuthnRootResource(AuthnResourceBas'
         # Allow plugin resources with identical names by rename duplicates.
         unique_name = _ensure_unique_name(resource.__name__)
         if unique_name != resource.__name__:
-            log.warn('Name collision for traversal resource "%s" registered',
+            log.warn('Name collision for traversal resource "%s" registered '
                      'by authentication plugin "%s"', resource.__name__,
                      plugin_id)
             resource.__name__ = unique_name