class_docstr: _SeriesIOTensor
class_docstr_tok: ["_SeriesIOTensor"]
docstr: The index column of the series
code: def index(self):
      """The index column of the series"""
      return self._index
  
imports: import tensorflow
label_desc: Use image node_id 2 for calling the _SeriesIOTensor obj's underlying member method code with example usage: obj.index() and returns: self