class_docstr: Transforms tuples of text into tuples of vector sequences.
code: def encode_input(self, text: str) -> List[int]:
      return self._tokenizer_encoder.encode(text)
  
file_path: headliner/headliner/preprocessing/vectorizer.py
imports: from typing import Tuple, List
  from headliner.preprocessing.tokenizer import Tokenizer
label_desc: Use image node_id 3 for calling the Vectorizer obj's underlying member method code with example usage: obj.encode_input(text) and returns: self