code: def instantiate_or_copy_model(model: Union[dict, ModelBase]):
      if isinstance(model, ModelBase):
          return copy.deepcopy(model)
      elif isinstance(model, dict):
          try:
              return ModelFactory.create(**model)
          except Exception as e:
              logger.error(
                  f"Invalid `dict` specifying a model config.\n\nGot {model}"
              )
              raise e
      else:
          raise TypeError(
              f"Expected model to be a `dict` or `ModelBase`. Got {model}"
          )
  
file_path: merlion/merlion/models/factory.py
imports: import copy
  import inspect
  import logging
  from typing import Dict, Tuple, Type, Union
  import dill
  from merlion.models.base import ModelBase
  from merlion.utils import dynamic_import
label_desc: Use image node_id 1 for calling a global function with example usage: instantiate_or_copy_model(model) and returns: copy, ModelFactory