code: def __enter__(self):
      self.accountant._enter_scope(self)
      return self
  
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 2 for calling the BudgetAccountantScope obj's underlying member method code with example usage: obj.__enter__() and returns: self