old_contents: # coding: utf8
  from __future__ import unicode_literals
  
  from ...tokens.doc import Doc
  import pytest
  
  
  @pytest.mark.xfail
  @pytest.mark.models
  @pytest.mark.parametrize('text', ["I cant do this."])
  def test_issue636(EN, text):
      """Test that to_bytes and from_bytes don't change the token lemma."""
      doc1 = EN(text)
      doc2 = Doc(EN.vocab)
      doc2.from_bytes(doc1.to_bytes())
      print([t.lemma_ for t in doc1], [t.lemma_ for t in doc2])
      assert [t.lemma_ for t in doc1] == [t.lemma_ for t in doc2]
  
new_contents: # coding: utf8
  from __future__ import unicode_literals
  
  from ...tokens.doc import Doc
  import pytest
  
  
  @pytest.mark.xfail
  @pytest.mark.models
  @pytest.mark.parametrize('text', ["I cant do this."])
  def test_issue636(EN, text):
      """Test that to_bytes and from_bytes don't change the token lemma."""
      doc1 = EN(text)
      doc2 = Doc(EN.vocab)
      doc2.from_bytes(doc1.to_bytes())
      assert [t.lemma_ for t in doc1] == [t.lemma_ for t in doc2]
  
subject: Remove print statement