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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 next(self):
 """Provides hook for Python2 iterator functionality."""

        _LOGGER.debug("reading next")
        if self.closed:
            _LOGGER.debug("stream is closed")
            raise StopIteration()

        line = self.readline()
        if not line:
            _LOGGER.debug("nothing more to read")
            raise StopIteration()

        return line