def __init__(self, requester, output, verify, chunk_size=1000):
    self.chunk_size = chunk_size
    self.output = output
    self.requester = requester
    self.verify = verify
def __init__(self, requester, output, verify, chunk_size=1000):
    self.chunk_size = chunk_size
    self.output = output
    self.requester = requester
    self.verify = verify