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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def asyncPipeUniq(context=None, _INPUT=None, conf=None, **kwargs):
 """An operator that asynchronously returns a specified number of items from the top of a feed. Not loopable. Parameters context : pipe2py.Context object _INPUT : twisted Deferred iterable of items conf : { 'start': {'type': 'number', value': <starting location>} 'count': {'type': 'number', value': <desired feed length>} } returns ------- _OUTPUT : twisted.internet.defer.Deferred generator of unique items """

    _input = yield _INPUT
    asyncFuncs = yield asyncGetSplits(None, conf, **cdicts(opts, kwargs))
    pieces = yield asyncFuncs[0]()
    _pass = yield asyncFuncs[2]()

    if _pass:
        _OUTPUT = _input
    else:
        start = int(pieces.start)
        stop = start + int(pieces.count)
        _OUTPUT = islice(_input, start, stop)

    returnValue(_OUTPUT)