@cache_readonly
    def theoretical_quantiles(self):
        try:
            return self.dist.ppf(self.theoretical_percentiles)
        except __HOLE__:
            msg = '%s requires more parameters to ' \
                  'compute ppf'.format(self.dist.name,)
            raise TypeError(msg)
        except:
            msg = 'failed to compute the ppf of {0}'.format(self.dist.name,)
            raise
dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/graphics/gofplots.py/ProbPlot.theoretical_quantiles