class_docstr: An empty corrector that does nothing.
class_docstr_tok: ["An","empty","corrector","that","does","nothing","."]
code: def update_fn(self, x, t, *args):
      return x, x
  
file_path: espnet/espnet2/enh/diffusion/sampling/correctors.py
imports: import abc
  import torch
  import espnet2.enh.diffusion.sdes
label_desc: Use image node_id 2 for calling the NoneCorrector obj's underlying member method code with example usage: obj.update_fn(x, t) and returns: x,  x