code: def init_bn(bn):
      """Initialize a Batchnorm layer."""
      bn.bias.data.fill_(0.0)
      bn.weight.data.fill_(1.0)
  
file_path: speechbrain/speechbrain/lobes/models/Cnn14.py
imports: import torch.nn
  import torch.nn.functional
  import torch
label_desc: Use image node_id 2 for calling a global function with example usage: init_bn(bn) without return types