code: def __init__(self):
      super().__init__()
      f = torch.Tensor([1, 2, 1])
      f = f[None, None, :] * f[None, :, None]
      self.register_buffer("f", f)
  
imports: import math
  import kornia
  import torch
  import torch.nn.functional
  from einops import rearrange
  from torch import nn
label_desc: Use image node_id 1 to create a new Blur object from inherited base classes: nn with example: obj = Blur()