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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 _validate(self):
 """ Ensure that our percentile bounds are well-formed. """

        if not 0.0 <= self._min_percentile < self._max_percentile <= 100.0:
            raise BadPercentileBounds(
                min_percentile=self._min_percentile,
                max_percentile=self._max_percentile,
                upper_bound=100.0
            )
        return super(PercentileFilter, self)._validate()