Split py38 from other linting

Author: tammy-baylis-swi

.pylintrc

@@ -75,6 +75,7 @@ disable=missing-docstring,
       too-few-public-methods, # Might be good to re-enable this later.
       too-many-instance-attributes,
       too-many-arguments,
+      too-many-positional-arguments, # TODO remove when drop py38 support
       duplicate-code,
       ungrouped-imports, # Leave this up to isort
       wrong-import-order, # Leave this up to isort