'Creates a new QueueEntryUpload.
Args:
rpcserver: The RPC server to use.  Should be an instance of a subclass of
AbstractRpcServer
queue: The QueueInfoExternal object loaded from the queue.yaml file.
error_fh: Where to send status and error messages.'

def __init__(self, rpcserver, queue, error_fh=sys.stderr):

    self.rpcserver = rpcserver
    self.queue = queue
    self.error_fh = error_fh
