new_contents: # -*- coding: utf-8 -*-
  
  import pytest
  
  from cookiecutter import main, exceptions
  
  
  def test_should_raise_error_if_repo_does_not_exist():
      with pytest.raises(exceptions.RepositoryNotFound):
          main.cookiecutter('definitely-not-a-valid-repo-dir')
  
subject: Implement a test the RepositoryNotFound exception