I was considering wrapping a `unittest.mock._Call` class definition within a function that would contain name & parent as local variables (arguments). Thus they would be accessible within the `_Call` class, but wouldn't be accessible from the outside. However this would make them inaccessible from other instances of `_Call`. So I think I'll stick to the more trivial solution of renaming them to `_mock_name` and `_mock_parent` to conform to the rest of the module :)