code: def linear(*args, **kwargs):
      """
      Create a linear module.
      """
      return nn.Linear(*args, **kwargs)
  
file_path: PaddleHub/modules/image/text_to_image/disco_diffusion_ernievil_base/reverse_diffusion/model/nn.py
imports: import math
  import paddle
  import paddle.nn
label_desc: Use image node_id 2 for calling a global function with example usage: linear() and returns: nn