def pet(person_id, pet_id):
"""
Get an existing pet from an existing owner.
"""
try:
result = Pet.get_or_none(Pet.owner == person_id, Pet.id == pet_id)
if result is None:
raise NotFoundException('Person and/or pet not found')
response = generate_response(model_to_dict(result), 200)
except Exception as e:
app.logger.error(e)
response = generate_error_response(e)
return response
