code: def _FlattenToStrings(nested_strings):
      if isinstance(nested_strings, (list, tuple)):
          for inner in nested_strings:
              for flattened_string in _FlattenToStrings(inner):
                  yield flattened_string
      else:
          yield nested_strings
  
imports: import typing
  from typing import Protocol
  import numpy
  from tensorflow.core.framework import tensor_pb2
  from tensorflow.core.framework import tensor_shape_pb2
  from tensorflow.python.client import pywrap_tf_session
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors_impl
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.types import core
  from tensorflow.python.types import internal
  from tensorflow.python.util import compat
  from tensorflow.python.util import nest
  from tensorflow.python.util.tf_export import tf_export
label_desc: Use image node_id 17 for calling a global function with example usage: _FlattenToStrings(nested_strings) without return types