def flatten(func):
    @wraps(func)
    def wrapper(*args, **kw):
        result = func(*args, **kw)
        try:
            assert len(result) == 1
        except Exception:
            raise Exception('Expected an return value of length 1')
        return result[0]
    return wrapper
Get the body for the specified article (or the currently selected
dataset/ETHPy150Open Kitware/minerva/server/utility/bsve/bsve_utility.py/flatten--crossover with--dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/news/nntp.py/NNTPClient.fetchBody