code: def __init__(self, criterion: AbsEnhLoss, weight=1.0):
      super().__init__()
      self.criterion = criterion
      self.weight = weight
  
imports: from collections import defaultdict
  import torch
  from espnet2.enh.loss.criterions.abs_loss import AbsEnhLoss
  from espnet2.enh.loss.wrappers.abs_wrapper import AbsLossWrapper
label_desc: Use image node_id 1 to create a new FixedOrderSolver object from inherited base classes: AbsLossWrapper with example: obj = FixedOrderSolver(criterion, weight)