def get_dict_sensitive_vals(dict_sensitive_lists):
    """
    Takes a dictionary mapping sensitive attributes to lists in the test data and returns a
    dictionary mapping sensitive attributes to lists containing each sensitive value only once.
    """
    newdict = {}
    for sens in dict_sensitive_lists:
         sensitive = dict_sensitive_lists[sens]
         newdict[sens] = list(set(sensitive))
    return newdict