class_docstr: This class implements a DGM with the TensorFlow framework.
class_docstr_tok: ["This","class","implements","a","DGM","with","the","TensorFlow","framework","."]
code: def loss_gradient(self, x, y, **kwargs) -> np.ndarray:
      raise NotImplementedError
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import logging
  from typing import Any, Dict, List, Optional, Union, Tuple, TYPE_CHECKING
  import numpy
  from art.estimators.generation.generator import GeneratorMixin
  from art.estimators.tensorflow import TensorFlowEstimator, TensorFlowV2Estimator
label_desc: Use image node_id 6 for calling the TensorFlowV2Generator obj's underlying member method code with example usage: obj.loss_gradient(x, y) without return types