code: def load_tokenizer(b):
      tok = get_lang_class("en")().tokenizer
      tok.from_bytes(b)
      return tok
  
file_path: spaCy/spacy/tests/serialize/test_serialize_tokenizer.py
imports: import pickle
  import re
  import pytest
  from spacy.attrs import ENT_IOB, ENT_TYPE
  from spacy.lang.en import English
  from spacy.tokenizer import Tokenizer
  from spacy.tokens import Doc
  from spacy.util import compile_infix_regex, compile_prefix_regex, compile_suffix_regex, get_lang_class, load_model
  from ..util import assert_packed_msg_equal, make_tempdir
label_desc: Use image node_id 1 for calling a global function with example usage: load_tokenizer(b) and returns: tok