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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 sample_stats_to_xarray(self):
 """Convert sample_stats samples to xarray."""

        data = self.sample_stats
        if not isinstance(data, dict):
            raise TypeError("DictConverter.sample_stats is not a dictionary")

        return dict_to_dataset(data, library=None, coords=self.coords, dims=self.dims)