code: def test_empty_sentences_equal():
      sentence1 = Sentence("", Tokenizer("czech"))
      sentence2 = Sentence("", Tokenizer("czech"))
  
      assert sentence1 == sentence2
  
file_path: sumy/tests/test_models/test_dom.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import pytest
  from sumy._compat import to_unicode
  from sumy.models.dom import Paragraph, Sentence
  from sumy.nlp.tokenizers import Tokenizer
  from ..utils import build_document, build_document_from_string
label_desc: Use image node_id 5 for calling a global function with example usage: test_empty_sentences_equal() without return types