docs: def _find_alphas_param(self):
          """
          Searches for the parameter on the estimator that contains the array of
          alphas that was used to produce the error selection. If it cannot find
          the parameter then a YellowbrickValueError is raised.
          """
  
          # NOTE: The order of the search is very important!
          for attr in ("cv_alphas_", "alphas_", "alphas",):
              try:
                  return getattr(self.estimator, attr)
              except AttributeError:
                  continue
  
          raise YellowbrickValueError(
              "could not find alphas param on {} estimator".format(
                  self.estimator.__class__.__name__
              )
          )