content: from typing import Callable
  
  import nnunetv2
  from batchgenerators.utilities.file_and_folder_operations import join
  from nnunetv2.utilities.find_class_by_name import recursive_find_python_class
  
  
  def recursive_find_resampling_fn_by_name(resampling_fn: str) -> Callable:
      ret = recursive_find_python_class(join(nnunetv2.__path__[0], "preprocessing", "resampling"), resampling_fn,
                                        'nnunetv2.preprocessing.resampling')
      if ret is None:
          raise RuntimeError("Unable to find resampling function named '%s'. Please make sure this fn is located in the "
                             "nnunetv2.preprocessing.resampling module." % resampling_fn)
      else:
          return ret
  