docstr: The length of an `EncodedDs` datasource equals the amount of rows of the original dataframe.
  
  :return: length of the `EncodedDs`
docstr_tok: ["The","length","of","an","`","EncodedDs","`","datasource","equals","the","amount","of","rows","of","the","original","dataframe",".",":","return",":","length","of","the","`","EncodedDs","`"]
code: def __len__(self):
      """
      The length of an `EncodedDs` datasource equals the amount of rows of the original dataframe.
  
      :return: length of the `EncodedDs`
      """
      return int(self.data_frame.shape[0])
  
imports: import inspect
  from typing import List, Tuple, Dict
  import torch
  import numpy
  import pandas
  from torch.utils.data import Dataset
  from lightwood.encoder.base import BaseEncoder
label_desc: Use image node_id 2 for calling the EncodedDs obj's underlying member method code with example usage: obj.__len__() and returns: int