def dist(seq1, seq2):
    assert len(seq1) == len(seq2)
    if seq1 == seq2:
        return 0

    return sum([c1 != c2 for c1, c2 in zip(seq1, seq2)])
Check that result contains the expected keys for the current version.
dataset/ETHPy150Open adamewing/bamsurgeon/bamsurgeon/mutableseq.py/dist--crossover with--dataset/ETHPy150Open ClusterHQ/flocker/benchmark/test/test_script.py/MainTests.test_version