code: def get_pets():
      return pets
  
file_path: apiflask/examples/dataclass/app.py
imports: from dataclasses import field
  from marshmallow_dataclass import dataclass
  from apiflask import APIFlask, abort
  from apiflask.validators import Length, OneOf
label_desc: Use image node_id 3 for calling a global function with example usage: get_pets() and returns: pets