def _open_for_listing():
    ' Open kmc database for listing and check if opened sucessfully. '
    kmc_file = pka.KMCFile()
    assert kmc_file.OpenForListing('kmc_db')
    return kmc_file
Open kmc database for listing and check if opened sucessfully.
def _open_for_listing():
    '  '
    kmc_file = pka.KMCFile()
    assert kmc_file.OpenForListing('kmc_db')
    return kmc_file