The function currently allows sensitive columns to be None, but this raises an error when we check for duplicates in sensitive columns. Since we need at least one sensitive column, we should add an input validation check for this and raise an error if at least one sensitive column isn't specified.
The function currently allows sensitive columns to be None, but this raises an error when we check for duplicates in sensitive columns. Since we need at least one sensitive column, we should add an input validation check for this and raise an error if at least one sensitive column isn't specified.