code: def is_string(dtype: TfdsDType) -> bool:
      return _is_dtype([np.character, np.object_], np.object_, dtype)
  
file_path: datasets/tensorflow_datasets/core/utils/dtype_utils.py
imports: from typing import cast, Any, List, Type, Union
  from absl import logging
  from etils import enp
  import numpy
  from tensorflow_datasets.core.utils import py_utils
  from tensorflow_datasets.core.utils import type_utils
  from tensorflow_datasets.core.utils.lazy_imports_utils import tensorflow
label_desc: Use image node_id 7 for calling a global function with example usage: is_string(dtype) and returns: _is_dtype