[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

src/torchio/data/queue.py

@@ -268,13 +268,14 @@ def num_patches(self) -> int:
     @property
     def iterations_per_epoch(self) -> int:
         if self.subject_sampler is not None:
-            subjects_dataset = [self.subjects_dataset.dry_iter()[i] for i in self.subject_sampler]
+            subjects_dataset = [
+                self.subjects_dataset.dry_iter()[i] for i in self.subject_sampler
+            ]
         else:
             subjects_dataset = self.subjects_dataset.dry_iter()
 
         total_num_patches = sum(
-            self._get_subject_num_samples(subject)
-            for subject in subjects_dataset
+            self._get_subject_num_samples(subject) for subject in subjects_dataset
         )
         return total_num_patches