code: def __init__(self, accountant, weight):
      self.weight = weight
      self.accountant = accountant
      self.mechanisms = []
  
imports: import abc
  import collections
  import logging
  import math
  from typing import Optional
  from dataclasses import dataclass
  import pipeline_dp.aggregate_params
  from pipeline_dp import input_validators
label_desc: Use image node_id 1 to create a new BudgetAccountantScope object  with example: obj = BudgetAccountantScope(accountant, weight)