class_docstr: Relative Position Bias
  Adapted from Swin-V1 relative position bias impl, modularized.
class_docstr_tok: ["Relative","Position","Bias","Adapted","from","Swin-V1","relative","position","bias","impl",",","modularized","."]
code: def init_weights(self):
      trunc_normal_(self.relative_position_bias_table, std=0.02)
  
imports: import math
  import os
  from typing import Optional, Tuple
  import torch
  import torch.nn
  import torch.nn.functional
  from .interpolate import RegularGridInterpolator
  from .mlp import Mlp
  from .weight_init import trunc_normal_
label_desc: Use image node_id 2 for calling the RelPosBias obj's underlying member method code with example usage: obj.init_weights() without return types