code: def forward(self, weight_g, weight_v):
      return torch._weight_norm(weight_v, weight_g, self.dim)
  
imports: from enum import Enum, auto
  import torch
  from torch import Tensor
  from ..utils import parametrize
  from ..modules import Module
  from ..None import functional
  from typing import Optional
label_desc: Use image node_id 2 for calling the _WeightNorm obj's underlying member method code with example usage: obj.forward(weight_g, weight_v) and returns: torch