code: def fit(self, X, y, sample_weight=None, **kwargs):
      raise NotImplementedError
  
imports: import enum
  import itertools
  from collections import namedtuple
  import numpy
  import pandas
  from ....dataframe import DataFrame, Series
  from ....tensor import tensor
label_desc: Use image node_id 8 for calling the LGBMScikitLearnBase obj's underlying member method code with example usage: obj.fit(X, y, sample_weight) without return types