class_docstr: Specific head for training MSN (https://arxiv.org/pdf/2204.07141.pdf).
class_docstr_tok: ["Specific","head","for","training","MSN","(","https",":","\/\/arxiv.org\/pdf\/2204.07141.pdf",")","."]
code: def _init_weights(m):
      if isinstance(m, torch.nn.Linear):
          trunc_normal_(m.weight, std=0.02)
          if m.bias is not None:
              torch.nn.init.constant_(m.bias, 0)
  
file_path: vissl/vissl/models/heads/msn_head.py
imports: from collections import OrderedDict
  import torch
  import torch.nn
  import torch.nn.functional
  from vissl.config import AttrDict
  from vissl.models.heads import register_model_head
  from vissl.models.model_helpers import trunc_normal_
label_desc: Use image node_id 3 for calling the MSNHead obj's underlying member method code with example usage: obj._init_weights(m) without return types