code: def __init__(
      self, momentum_warmup: float, warmup_iters: int, momentum: float
  ) -> None:
      self.momentum_warmup = momentum_warmup
      self.warmup_iters = warmup_iters
      self.momentum = momentum
  
file_path: ignite/ignite/handlers/ema_handler.py
imports: import warnings
  from copy import deepcopy
  from typing import Optional, Union
  import torch.nn
  from ignite.engine import CallableEventWithFilter, Engine, Events, EventsList
  from ignite.handlers.param_scheduler import BaseParamScheduler
  from ignite.handlers.state_param_scheduler import LambdaStateScheduler
label_desc: Use image node_id 1 to create a new EMAWarmUp object  with example: obj = EMAWarmUp(momentum_warmup, warmup_iters, momentum)