class_docstr: Abstract Base class for Feature transformers.
docstr: transform the data with fitted
  :param input_df: input dataframe
  :return:
code: def transform(self, input_df):
      """
      transform the data with fitted
      :param input_df: input dataframe
      :return:
      """
      pass
  
file_path: analytics-zoo/pyzoo/zoo/chronos/autots/deprecated/feature/abstract.py
imports: from abc import ABC, abstractmethod
label_desc: Use image node_id 2 for calling the BaseFeatureTransformer obj's underlying member method code with example usage: obj.transform(input_df) without return types