code: def get_batch(self):
      self.dataloader_iter, curr_batch = c_f.try_next_on_generator(
          self.dataloader_iter, self.dataloader
      )
      data, labels = self.data_and_label_getter(curr_batch)
      labels = c_f.process_label(
          labels, self.label_hierarchy_level, self.label_mapper
      )
      return self.maybe_do_batch_mining(data, labels)
  
imports: import torch
  import tqdm
  from ..utils import common_functions
  from ..utils import loss_tracker
  from ..utils.key_checker import KeyChecker, KeyCheckerDict
label_desc: Use image node_id 10 for calling the BaseTrainer obj's underlying member method code with example usage: obj.get_batch() and returns: self