def test_issue_52(): adapter = Adapter( sequence='GAACTCCAGTCACNNNNN', where=BACK, max_error_rate=0.12, min_overlap=5, read_wildcards=False, adapter_wildcards=True) read = Sequence(name="abc", sequence='CCCCAGAACTACAGTCCCGGC') am = Match(astart=0, astop=17, rstart=5, rstop=21, matches=15, errors=2, front=None, adapter=adapter, read=read) assert am.wildcards() == 'GGC' """