Finalize integration of BEYOND detector

Signed-off-by: Beat Buesser <[email protected]>

Author: beat-buesser

art/defences/detector/evasion/beyond_detector.py

@@ -164,7 +164,7 @@ def fit(self, x: np.ndarray, y: np.ndarray, batch_size: int = 128, nb_epochs: in
         k_minus_one_metrics = clean_metrics[:, self.var_K - 1]
         self.threshold = np.percentile(k_minus_one_metrics, q=self.percentile)
 
-    def detect(self, x: np.ndarray, batch_size: int = 128, **kwargs) -> tuple[np.ndarray, np.ndarray]:
+    def detect(self, x: np.ndarray, batch_size: int = 128, **kwargs) -> tuple[np.ndarray, np.ndarray]:  # type: ignore
         """
         Detect whether given samples are adversarial
 

tests/defences/detector/evasion/test_beyond_detector.py

@@ -145,7 +145,7 @@ def test_beyond_detector(art_warning, get_default_cifar10_subset):
             augmentations=img_augmentations,
             aug_num=50,
             alpha=0.8,
-            K=20,
+            var_K=20,
             percentile=5,
         )