class_docstr: ArrowBaseIOTensor
docstr: Returns the specified piece of this IOTensor.
docstr_tok: ["Returns","the","specified","piece","of","this","IOTensor","."]
code: def __getitem__(self, key):
      """Returns the specified piece of this IOTensor."""
      result = super().__getitem__(key)
      if not tf.executing_eagerly():
          # Insert refs into tf.Tensor result so data is valid until evaluated
          result._arrow_resource = self._arrow_resource
      return result
  
imports: import uuid
  import tensorflow
  from tensorflow_io.python.ops import io_tensor_ops
  from tensorflow_io.python.ops import core_ops
label_desc: Use image node_id 5 for calling the ArrowBaseIOTensor obj's underlying member method code with example usage: obj.__getitem__(key) and returns: result