class_docstr: This class implements a classifier with the TensorFlow framework.
class_docstr_tok: ["This","class","implements","a","classifier","with","the","TensorFlow","framework","."]
docstr: Return the train tensor for fitting.
  
  :return: The train tensor for fitting.
docstr_tok: ["Return","the","train","tensor","for","fitting",".",":","return",":","The","train","tensor","for","fitting","."]
code: def train(self) -> "tf.Tensor":
      """
      Return the train tensor for fitting.
  
      :return: The train tensor for fitting.
      """
      return self._train
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import logging
  import os
  import random
  import shutil
  import time
  from typing import Any, Callable, Dict, List, Optional, Tuple, Union, TYPE_CHECKING
  from tqdm.auto import tqdm
  import numpy
  import six
  from art import config
  from art.estimators.classification.classifier import ClassGradientsMixin, ClassifierMixin
  from art.estimators.tensorflow import TensorFlowEstimator, TensorFlowV2Estimator
  from art.utils import check_and_transform_label_format
label_desc: Use image node_id 6 for calling the TensorFlowClassifier obj's underlying member method code with example usage: obj.train() and returns: self