old_contents: import pytest
  import carculator.car_input_parameters as cip
  
  def test_type_parameters():
      with pytest.raises(SystemExit) as wrapped_error:
          cip.CarInputParameters("Foo", 28)
      assert wrapped_error.type == SystemExit
      assert wrapped_error.value.code ==1
  
  def test_retrieve_list_powertrains():
      assert isinstance(cip.CarInputParameters().powertrains, list)
      assert len(cip.CarInputParameters().powertrains>0)
new_contents: import pytest
  import carculator.car_input_parameters as cip
  
  def test_type_parameters():
      with pytest.raises(SystemExit) as wrapped_error:
          cip.CarInputParameters("Foo", 28)
      assert wrapped_error.type == SystemExit
      assert wrapped_error.value.code ==1
  
  def test_retrieve_list_powertrains():
      assert isinstance(cip.CarInputParameters().powertrains, list)
      assert len(cip.CarInputParameters().powertrains)>0
subject: Update test_car_input_parameters.py