code: def save(self, training_step=0):
      if self.snapshot_path:
          self.save_func(self.snapshot_path, training_step)
  
imports: from __future__ import division, print_function, absolute_import
  import time
  import sys
label_desc: Use image node_id 10 for calling the ModelSaver obj's underlying member method code with example usage: obj.save(training_step) without return types