class_docstr: ArrowBaseIOTensor
docstr: Returns the TensorSpec of the tensor
docstr_tok: ["Returns","the","TensorSpec","of","the","tensor"]
code: def spec(self):
      """Returns the TensorSpec of the tensor"""
      return self._spec
  
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 2 for calling the ArrowBaseIOTensor obj's underlying member method code with example usage: obj.spec() and returns: self