code: def fit(self, X, y):
      from sklearn.dummy import DummyRegressor
  
      for quantile in self.quantile_levels:
          m = DummyRegressor(quantile=quantile)
          m.fit(X, y)
          self.models.append(m)
  
imports: import numpy
label_desc: Use image node_id 2 for calling the DummyQuantileRegressor obj's underlying member method code with example usage: obj.fit(X, y) without return types