class_docstr: _IOTensorComponentLabelFunction
code: def length(self):
      return self._length
  
file_path: io/tensorflow_io/python/ops/csv_io_tensor_ops.py
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 3 for calling the _IOTensorComponentLabelFunction obj's underlying member method code with example usage: obj.length() and returns: self