code: def test_tokenizer_splits_newline_double_space(self, text):
      tokens = self.nlp(text)
      assert len(tokens) == 3
  
file_path: scispacy/tests/custom_tests/test_whitespace.py
imports: from __future__ import unicode_literals
  import pytest
  import spacy
  from spacy.language import Language
  from scispacy.custom_sentence_segmenter import pysbd_sentencizer
label_desc: Use image node_id 6 for calling the TestWhitespace obj's underlying member method code with example usage: obj.test_tokenizer_splits_newline_double_space(text) without return types