class_docstr: Runs WordPiece tokenziation.
class_docstr_tok: ["Runs","WordPiece","tokenziation","."]
code: def __init__(
      self, vocab, unk_token="[UNK]", max_input_chars_per_word=100
  ):
      self.vocab = vocab
      self.unk_token = unk_token
      self.max_input_chars_per_word = max_input_chars_per_word
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
  import unicodedata
  import six
label_desc: Use image node_id 1 to create a new WordpieceTokenizer object from inherited base classes: object with example: obj = WordpieceTokenizer(vocab, unk_token, max_input_chars_per_word)