def get_last_n_commit_hashes(repo, n):
    return get_last_n_commit_hashes_from_ref(repo, n, 'HEAD')
Multiline examples with blank lines.
dataset/ETHPy150Open bloomberg/phabricator-tools/py/phl/phlgit_log.py/get_last_n_commit_hashes--crossover with--dataset/ETHPy150Open ipython/ipython-py3k/IPython/testing/plugin/test_ipdoctest.py/doctest_multiline3