def check_dictionary_entries(dict_entries):
    """
    Simple check that there are no entries with duplicate adjacency lists or labels
    """
    entry_adjlists = []
    entry_labels = []
    for entry in list(dict_entries.values()):
        adjlist = entry.item.to_adjacency_list()

        assert adjlist not in entry_adjlists, 'Non-unique adjacencies for dictionary'
        assert entry.label not in entry_labels, 'Non-unique labels for dictionary'

        entry_adjlists.append(entry.item.to_adjacency_list())
        entry_labels.append(entry.label)

    return True