code: def test_space_should_by_ignored(self):
      # Given
      text = " "
      for l in get_all_languages():
          # When
          tokens = tokenize(text, l)
          # Then
          self.assertEqual(len(tokens), 0)
  
file_path: snips-nlu/snips_nlu/tests/test_preprocessing.py
imports: from __future__ import unicode_literals
  from snips_nlu_parsers import get_all_languages
  from snips_nlu.constants import LANGUAGE_EN
  from snips_nlu.preprocessing import Token, tokenize
  from snips_nlu.tests.utils import SnipsTest
label_desc: Use image node_id 5 for calling the TestPreprocessing obj's underlying member method code with example usage: obj.test_space_should_by_ignored() without return types