Alias for instance method that allows the method to be called in a
    multiprocessing pool. Needed as multiprocessing does not otherwise work
    on object instance methods.

def _compare_mp_alias(br_i, br_j, analysis_set, analysis_set_subdir, unique_ajps, verbose):
    """
    Alias for instance method that allows the method to be called in a
    multiprocessing pool. Needed as multiprocessing does not otherwise work
    on object instance methods.
    """
    return br_i.compare(br_j, analysis_set, analysis_set_subdir, unique_ajps, verbose = verbose, compile_pdf = verbose)