class_docstr: Class for black-box neural network classifiers.
code: def compute_loss(
      self, x: np.ndarray, y: np.ndarray, **kwargs
  ) -> np.ndarray:
      raise NotImplementedError
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  from functools import total_ordering
  import logging
  from typing import Callable, List, Optional, Union, Tuple, TYPE_CHECKING
  import numpy
  from art.estimators.estimator import BaseEstimator, NeuralNetworkMixin
  from art.estimators.classification.classifier import ClassifierMixin, Classifier
label_desc: Use image node_id 7 for calling the BlackBoxClassifierNeuralNetwork obj's underlying member method code with example usage: obj.compute_loss(x, y) without return types