code: def unset_model_specific_opts_after_model_building(
      opts: argparse.Namespace,
      default_opts_info: Dict[str, Any],
      *ars,
      **kwargs,
  ) -> None:
      """Given command-line arguments and a mapping of opts that needs to be unset, this function
      unsets the library-level defaults that were over-ridden previously
      in `set_model_specific_opts_before_model_building`.
      """
      assert isinstance(default_opts_info, dict), (
          f"Please ensure set_model_specific_opts_before_model_building() "
          f"returns a dict."
      )
      for k, v in default_opts_info.items():
          setattr(opts, k, v)
  
file_path: ml-cvnets/cvnets/models/segmentation/base_seg.py
imports: import argparse
  from typing import Any, Dict
  import torch
  from cvnets.models import MODEL_REGISTRY, BaseAnyNNModel
  from cvnets.models.classification.base_image_encoder import BaseImageEncoder
label_desc: Use image node_id 2 for calling a global function with example usage: unset_model_specific_opts_after_model_building(opts, default_opts_info) without return types