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

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

nobrainer/processing/base.py

@@ -38,7 +38,7 @@ def save(self, save_dir):
             # are stored as members, which doesn't leave room for
             # parameters that are specific to the runtime context.
             # (e.g. multi_gpu).
-            if key == 'multi_gpu':
+            if key == "multi_gpu":
                 continue
             model_info["__init__"][key] = getattr(self, key)
         for val in self.state_variables:

nobrainer/processing/segmentation.py

@@ -82,9 +82,7 @@ def _compile():
             mod = importlib.import_module("..models", "nobrainer.processing")
             base_model = getattr(mod, self.base_model)
             if batch_size % self.strategy.num_replicas_in_sync:
-                raise ValueError(
-                    "batch size must be a multiple of the number of GPUs"
-                )
+                raise ValueError("batch size must be a multiple of the number of GPUs")
 
             with self.strategy.scope():
                 _create(base_model)