code: def linear(w_in, w_out, *, bias=False):
      """Helper for building a linear layer."""
      return nn.Linear(w_in, w_out, bias=bias)
  
imports: import numpy
  import torch
  import torch.nn
  from pycls.core.config import cfg
  from torch.nn import Module
label_desc: Use image node_id 7 for calling a global function with example usage: linear(w_in, w_out) and returns: nn