class_docstr: Training Timing
class_docstr_tok: ["Training","Timing"]
docstr: Returns training time.
docstr_tok: ["Returns","training","time","."]
code: def timing(self):
      """Returns training time."""
      return self._timing
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from typing import List, Tuple
  from xai.formatter.contents.base import Content
  from xai.formatter.writer.base import Writer
label_desc: Use image node_id 2 for calling the TrainingTiming obj's underlying member method code with example usage: obj.timing() and returns: self