code: def __getitem__(self, idx):
      return self.toks[idx]
  
file_path: scattertext/scattertext/WhitespaceNLP.py
imports: import re
  from scattertext.emojis.ProcessedEmojiStructure import VALID_EMOJIS
label_desc: Use image node_id 5 for calling the Doc obj's underlying member method code with example usage: obj.__getitem__(idx) and returns: self