code: def __init__(self, optimizer: Optimizer):
      def step_fn(step):
          return 1.0
  
      super().__init__(optimizer=optimizer, lr_lambda=step_fn)
  
imports: from torch.optim import Optimizer
  from torch.optim.lr_scheduler import LambdaLR
label_desc: Use image node_id 1 to create a new IdentitySchedule object from inherited base classes: LambdaLR with example: obj = IdentitySchedule(optimizer)