code: def vocab():
      return Vocab()
  
file_path: spacy/spacy/tests/parser/test_state.py
imports: import pytest
  from spacy.pipeline._parser_internals.stateclass import StateClass
  from spacy.tokens.doc import Doc
  from spacy.vocab import Vocab
label_desc: Use image node_id 1 for calling a global function with example usage: vocab() and returns: Vocab