code: def check_training_time(args, config, timeinfo, epoch, last_epoch):
      callback = _get_callback("check_training_time")
      if callback:
          return callback.check_training_time(
              args, config, timeinfo, epoch, last_epoch
          )
      else:
          return True
  
file_path: nnabla/python/src/nnabla/utils/callback.py
imports: from nnabla.config import nnabla_config
  import importlib
label_desc: Use image node_id 12 for calling a global function with example usage: check_training_time(args, config, timeinfo, epoch, last_epoch) and returns: callback, True