new_contents: # coding: utf8
  from __future__ import unicode_literals
  
  import pytest
  
  from ...language import Language
  from ...vocab import Vocab
  
  
  @pytest.mark.xfail
  def test_issue1654():
      nlp = Language(Vocab())
      assert not nlp.pipeline
      nlp.add_pipe(lambda doc: doc, name='1')
      nlp.add_pipe(lambda doc: doc, name='2', after='1')
      nlp.add_pipe(lambda doc: doc, name='3', after='2')
      assert nlp.pipe_names == ['1', '2', '3']
  
subject: Add regression test for #1654