def deletion(self, start, end):
        start = int(start)
        end   = int(end)
        assert start < end
        self.seq = self.seq[:start] + self.seq[end:]
Handle the second stage (<iq type='set'/>) of legacy "digest"
dataset/ETHPy150Open adamewing/bamsurgeon/bamsurgeon/mutableseq.py/MutableSeq.deletion--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python3-alpha/python-libs/pyxmpp2/ext/legacyauth.py/LegacyClientStream._digest_auth_in_stage2