class_docstr: Create a U-Net from a given architecture.
code: def __del__(self):
      if hasattr(self, "sfs"):
          self.sfs.remove()
  
file_path: fastai/fastai/vision/models/unet.py
imports: from __future__ import annotations
  from ...torch_basics import *
  from ...callback.hook import *
label_desc: Use image node_id 2 for calling the DynamicUnet obj's underlying member method code with example usage: obj.__del__() without return types