code: def _remove_spaces(tokens):
      return [token for token in tokens if not token.is_space]
  
imports: from __future__ import absolute_import
  import re
  import spacy
  from allennlp.common import Registrable
  from allennlp.common.util import get_spacy_model
  from allennlp.data.tokenizers.token import Token
label_desc: Use image node_id 1 for calling a global function with example usage: _remove_spaces(tokens) and returns: unknown