new_contents: # coding: utf8
  from __future__ import unicode_literals
  
  import pytest
  from spacy.matcher import PhraseMatcher
  from spacy.tokens import Doc
  
  
  @pytest.mark.xfail
  def test_issue4002(en_vocab):
      """Test that the PhraseMatcher can match on overwritten NORM attributes.
      """
      matcher = PhraseMatcher(en_vocab, attr="NORM")
      pattern1 = Doc(en_vocab, words=["c", "d"])
      assert [t.norm_ for t in pattern1] == ["c", "d"]
      matcher.add("TEST", None, pattern1)
      doc = Doc(en_vocab, words=["a", "b", "c", "d"])
      assert [t.norm_ for t in doc] == ["a", "b", "c", "d"]
      matches = matcher(doc)
      assert len(matches) == 1
      matcher = PhraseMatcher(en_vocab, attr="NORM")
      pattern2 = Doc(en_vocab, words=["1", "2"])
      pattern2[0].norm_ = "c"
      pattern2[1].norm_ = "d"
      assert [t.norm_ for t in pattern2] == ["c", "d"]
      matcher.add("TEST", None, pattern2)
      matches = matcher(doc)
      assert len(matches) == 1
  
subject: Add regression test for #4002