7e52351ae56a5068131d873252ad4f95d134c33d,python/ray/util/collective/collective.py,,declare_collective_group,#Any#Any#Any#Any#Any#,129

Before Change

        raise RuntimeError("Each actor should correspond to one rank.")

    if set(ranks) != set(range(len(ranks))):
        raise RuntimeError("Rank must be a permutation from 0 to len-1.")

    assert world_size > 0
    assert all(ranks) >= 0 and all(ranks) < world_size

After Change

    if set(ranks) != set(range(len(ranks))):
        raise RuntimeError(
            "Ranks must be a permutation from 0 to "{}". Got "{}".".format(
                len(ranks), "".join([str(r) for r in ranks])))

    assert world_size > 0
    assert all(ranks) >= 0 and all(ranks) < world_size

Instances