code: def cluster_size_ema_update(self, new_cluster_size):
      self.cluster_size.data.mul_(self.decay).add_(
          new_cluster_size, alpha=1 - self.decay
      )
  
imports: import torch
  import torch.nn
  import torch.nn.functional
  import torch.distributed
label_desc: Use image node_id 4 for calling the EmbeddingEMA obj's underlying member method code with example usage: obj.cluster_size_ema_update(new_cluster_size) without return types