code: def test_recipe_is_none():
      with pytest.warns(FutureWarning):
          recipe = Recipe.recipe_for_name(None)
  
      assert isinstance(recipe, DefaultV1Recipe)
  
imports: import pytest
  from rasa.engine.recipes.default_recipe import DefaultV1Recipe
  from rasa.engine.recipes.recipe import Recipe, InvalidRecipeException
label_desc: Use image node_id 2 for calling a global function with example usage: test_recipe_is_none() without return types