def __init__(self, content, chunk_size=65536, md5=False):
        self.md5sum = hashlib.md5() if md5 else NoopMD5()
        self.content = content
        self.chunk_size = chunk_size
Get number of seconds since epoch from now minus `hours`
dataset/ETHPy150Open openstack/python-swiftclient/swiftclient/utils.py/ReadableToIterable.__init__--crossover with--dataset/ETHPy150Open cakebread/yolk/yolk/pypi.py/get_seconds