def get_preparation_data_with_stowaway(name: str) -> dict[str, Any]:
            """Get the original preparation data, and also insert our stowaway."""
            d = original_get_preparation_data(name)
            d["stowaway"] = Stowaway(rcfile)
            return d
Get the original preparation data, and also insert our stowaway.
coverage/multiproc.py