code: def get_tok2vec_width(model: Model):
      nO = None
      if model.has_ref("tok2vec"):
          tok2vec = model.get_ref("tok2vec")
          if tok2vec.has_dim("nO"):
              nO = tok2vec.get_dim("nO")
          elif tok2vec.has_ref("listener"):
              nO = tok2vec.get_ref("listener").get_dim("nO")
      return nO
  
file_path: spaCy/spacy/ml/models/tok2vec.py
imports: from typing import List, Optional, Union, cast
  from thinc.api import HashEmbed, Maxout, Mish, Model, PyTorchLSTM, chain, clone, concatenate, expand_window, list2ragged, noop, ragged2list, residual, with_array, with_padded
  from thinc.types import Floats2d, Ints1d, Ints2d, Ragged
  from ...attrs import intify_attr
  from ...errors import Errors
  from ...ml import _character_embed
  from ...pipeline.tok2vec import Tok2VecListener
  from ...tokens import Doc
  from ...util import registry
  from ..featureextractor import FeatureExtractor
  from ..staticvectors import StaticVectors
label_desc: Use image node_id 2 for calling a global function with example usage: get_tok2vec_width(model) and returns: nO