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 numpy
  from tensorboard.compat.proto import tensor_pb2
  from tensorboard.compat.tensorflow_stub import dtypes, compat, tensor_shape
label_desc: Use image node_id 19 for calling a global function with example usage: _FlattenToStrings(nested_strings) without return types