docstr: Just for compatibility.
  
  Does not do anything
docstr_tok: ["Just","for","compatibility",".","Does","not","do","anything"]
code: def fit(self, X, y=None):
      """Just for compatibility.
  
      Does not do anything
      """
      return self
  
file_path: pytorch_tabular/src/pytorch_tabular/feature_extractor.py
imports: from collections import defaultdict
  import pandas
  from rich.progress import track
  from sklearn.base import BaseEstimator, TransformerMixin
  from pytorch_tabular.models import NODEModel, TabNetModel
  from pytorch_tabular.models.mixture_density import MDNModel
  import torch
label_desc: Use image node_id 2 for calling the DeepFeatureExtractor obj's underlying member method code with example usage: obj.fit(X, y) and returns: self