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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 beholder_ng(func):
 """Behold analysis procedure."""

    @functools.wraps(func)
    def behold(file, length, *args, **kwargs):
        seek_cur = file.tell()
        try:
            return func(file, length, *args, **kwargs)
        except Exception:
            # from pcapkit.foundation.analysis import analyse
            from pcapkit.protocols.raw import Raw
            error = traceback.format_exc(limit=1).strip().split(os.linesep)[-1]
            # error = traceback.format_exc()

            file.seek(seek_cur, os.SEEK_SET)

            # raw = Raw(file, length, error=str(error))
            # return analyse(raw.info, raw.protochain, raw.alias)
            next_ = Raw(file, length, error=error)
            return next_
    return behold