docs: fix warning for inherited functions from enum

Author: andresailer

docs/docs.conf

@@ -29,7 +29,8 @@ document_private_members = FCConditionsParser
 # whose docstrings are not reST formatted
 no_inherited_members =
   DIRAC.Core.Utilities.Graphs.GraphUtilities,
-  DIRAC.DataManagementSystem.private.HttpStorageAccessHandler
+  DIRAC.DataManagementSystem.private.HttpStorageAccessHandler,
+  DIRAC.FrameworkSystem.private.standardLogging.LogLevels,
 
 # only creating dummy files, because they cannot be safely imported due to sideEffects
 create_dummy_files = lfc_dfc_copy, lfc_dfc_db_copy, JobWrapperTemplate