Resolving style check failures

Author: stekunda

art/attacks/evasion/adversarial_patch/adversarial_patch_pytorch.py

@@ -512,7 +512,7 @@ def generate(  # type: ignore
             raise ValueError("Masks can only be used if the `patch_location` is `None`.")
 
         if y is None and self.targeted:
-                raise ValueError("The targeted version of AdversarialPatch attack requires provided target labels.")
+            raise ValueError("The targeted version of AdversarialPatch attack requires provided target labels.")
 
         if hasattr(self.estimator, "nb_classes"):
 

art/attacks/evasion/dpatch_robust.py

@@ -155,7 +155,9 @@ def generate(  # type: ignore
         if y is None and self.targeted:
             raise ValueError("The targeted version of RobustDPatch attack requires target labels provided to `y`.")
         if y is not None and not self.targeted:
-            raise ValueError("The untargeted version of RobustDPatch attack does not use target labels provided to 'y'.")
+            raise ValueError(
+                "The untargeted version of RobustDPatch attack does not use target labels provided to 'y'."
+            )
         if x.ndim != 4:  # pragma: no cover
             raise ValueError("The adversarial patch can only be applied to images.")