code: def forward(self) -> Tensor:
      ...
  
imports: from abc import abstractmethod
  from typing import Any, Callable, Dict, List, Optional, Tuple, Type, Union
  import torch
  import torch.nn.functional
  from torch import nn, optim
  from kornia.core import Module, Tensor
  from kornia.geometry.conversions import angle_to_rotation_matrix, convert_affinematrix_to_homography
  from .homography_warper import BaseWarper, HomographyWarper
  from .pyramid import build_pyramid
label_desc: Use image node_id 2 for calling the BaseModel obj's underlying member method code with example usage: obj.forward() without return types