code: def fit(self, X, y=None, feature_names=None):
      super().fit(X, y, feature_names=feature_names)
      return self
  
file_path: imodels/imodels/experimental/stablelinear.py
imports: import numpy
  from typing import List
  from imodels.rule_set.rule_fit import RuleFit
  from imodels.util.score import score_linear
  from sklearn.base import ClassifierMixin, RegressorMixin, BaseEstimator
  from .util import extract_ensemble
label_desc: Use image node_id 2 for calling the StableLinear obj's underlying member method code with example usage: obj.fit(X, y, feature_names) and returns: self