prompt: Your task is to convert the following English description into an ASCII tree format.
  
  utils is a base directory that contains 2 subdirectories: env and fixtures.
  At the top level, 'env' bundles 1 folders: python.
  Within directory hierarchy 'env / python', The 'python' collection has been left empty.
  In the root directory, 'fixtures' has no folders inside.
  
  
  Format your response in this style:
  ```
  app
   +--(bar)
   |   `--bar
   `--(foo)
       `--foo
  ```
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "utils\n +--env\n |   `--python\n `--fixtures", "description": "utils is a base directory that contains 2 subdirectories: env and fixtures.\nAt the top level, 'env' bundles 1 folders: python.\nWithin directory hierarchy 'env / python', The 'python' collection has been left empty.\nIn the root directory, 'fixtures' has no folders inside.\n"}