code: def fix_mask(self):
      raise NotImplementedError
  
imports: import os
  import logging
  import torch
  import numpy
  from .shape_dependency import ChannelDependency, GroupDependency, CatPaddingDependency, InputChannelDependency
  from .utils import get_module_by_name
label_desc: Use image node_id 2 for calling the MaskFix obj's underlying member method code with example usage: obj.fix_mask() without return types