code: def fit(self, *args):
      return self
  
file_path: dask-ml/dask_ml/_utils.py
imports: import time
  import dask.array
  import numpy
  from sklearn.base import BaseEstimator
label_desc: Use image node_id 5 for calling the ConstantFunction obj's underlying member method code with example usage: obj.fit() and returns: self