code: def __init__(self):
      super().__init__()
      self.test_function = None
      self.predict_function = None
  
imports: import numpy
  import tree
  from keras import backend
  from keras import callbacks
  from keras.backend.common import standardize_dtype
  from keras.backend.common.keras_tensor import KerasTensor
  from keras.backend.numpy.core import is_tensor
  from keras.trainers import trainer
  from keras.trainers.data_adapters import data_adapter_utils
  from keras.trainers.epoch_iterator import EpochIterator
  from keras.utils import traceback_utils
label_desc: Use image node_id 1 to create a new NumpyTrainer object from inherited base classes: base_trainer with example: obj = NumpyTrainer()