old_contents: from arpa.models.simple import ARPAModelSimple
  
  
  def test_new_model_contains_not():
      lm = ARPAModelSimple()
      assert "foo" not in lm
  
new_contents: from arpa.models.simple import ARPAModelSimple
  
  
  def test_new_model_contains_not():
      lm = ARPAModelSimple()
      assert "foo" not in lm
  
  
  def test_new_model_counts():
      lm = ARPAModelSimple()
      assert lm.counts() == []
  
subject: test for lm.counts()