old_contents: import pytest
  
  from frontend import frontend
  
  
  @pytest.mark.freeze_time('2017-09-28')
  @pytest.mark.parametrize('test_input, canteen,date', [
      ('/tu_marchstr morgen', 'tu_marchstr', '2017-09-29'),
      ('/fu_2', 'fu_2', '2017-09-28'),
      ('/fu_veggie next monday', 'fu_veggie', '2017-10-02'),
      ('/tu_mensa today', 'tu_mensa', '2017-09-28'),
      ('/tu_ackerstr foobar', 'tu_ackerstr', False)
  ])
  def test_get_canteen_and_date(test_input, canteen, date):
      canteen_result, date_result = frontend.get_canteen_and_date(test_input)
      assert canteen_result == canteen
      assert date_result == date
  
new_contents: import pytest
  from frontend import frontend
  
  
  @pytest.mark.freeze_time('2017-09-28')
  @pytest.mark.parametrize('test_input, canteen, date', [
      ('/tu_marchstr morgen', 'tu_marchstr', '2017-09-29'),
      ('/fu_2', 'fu_2', '2017-09-28'),
      ('/fu_veggie next monday', 'fu_veggie', '2017-10-02'),
      ('/tu_mensa today', 'tu_mensa', '2017-09-28'),
      ('/tu_ackerstr foobar', 'tu_ackerstr', False)
  ])
  def test_get_canteen_and_date(test_input, canteen, date):
      canteen_result, date_result = frontend.get_canteen_and_date(test_input)
      assert canteen_result == canteen
      assert date_result == date
  
subject: Add missing space