def rel_posix_to_rel_local(path, environ=None):
    if environ is None:
        environ = os.environ
    return os.path.join(*path.split('/'))
Unique key for this entity.
dataset/ETHPy150Open Yelp/mrjob/tests/mockssh.py/rel_posix_to_rel_local--crossover with--dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/ext/db/__init__.py/Model.key