code: def get_criterion(criterion: Union[Criterion, Any]) -> Criterion:
      if isinstance(criterion, Criterion):
          return criterion
      else:
          return Misclassification(criterion)
  
imports: from typing import Callable, TypeVar, Any, Union, Optional, Sequence, List, Tuple, Dict
  from typing_extensions import final, overload
  from abc import ABC, abstractmethod
  from collections.abc import Iterable
  import eagerpy
  from ..models import Model
  from ..criteria import Criterion
  from ..criteria import Misclassification
  from ..devutils import atleast_kd
  from ..distances import Distance
label_desc: Use image node_id 2 for calling a global function with example usage: get_criterion(criterion) and returns: criterion, Misclassification