code: def test_BANN():
      model = deepcopy(mock_vision_model)
      optimizer = optim.SGD(model.parameters(), 0.01)
  
      distiller = BANN(
          model, train_loader, test_loader, optimizer, num_gen=2
      )
  
      distiller.train_student(
          epochs=1, plot_losses=False, save_model=False
      )
  
imports: from copy import deepcopy
  import pandas
  import torch.optim
  from torch.utils.data import DataLoader
  from KD_Lib.KD import BANN, DML, RCO, TAKD, Attention, LabelSmoothReg, MeanTeacher, MessyCollab, NoisyTeacher, ProbShift, SelfTraining, SoftRandom, VanillaKD, VirtualTeacher
  from KD_Lib.KD.text.BERT2LSTM import BERT2LSTM
  from KD_Lib.KD.text.BERT2LSTM.utils import get_essentials
  from .utils import MockImageClassifier, MockVisionDataset
label_desc: Use image node_id 8 for calling a global function with example usage: test_BANN() without return types