diff --git a/sgm/inference/api.py b/sgm/inference/api.py
index 2b5500c..4f7c78b 100644
--- a/sgm/inference/api.py
+++ b/sgm/inference/api.py
@@ -180,14 +180,20 @@ class SamplingPipeline:
             model_path = pathlib.Path(__file__).parent.parent.resolve() / "checkpoints"
             if not os.path.exists(model_path):
                 # This supports development installs where checkpoints is root level of the repo
-                model_path = pathlib.Path(__file__).parent.parent.parent.resolve() / "checkpoints"
+                model_path = (
+                    pathlib.Path(__file__).parent.parent.parent.resolve()
+                    / "checkpoints"
+                )
         if config_path is None:
             config_path = (
                 pathlib.Path(__file__).parent.parent.resolve() / "configs/inference"
             )
             if not os.path.exists(config_path):
                 # This supports development installs where configs is root level of the repo
-                config_path = pathlib.Path(__file__).parent.parent.parent.resolve() / "configs/inference"
+                config_path = (
+                    pathlib.Path(__file__).parent.parent.parent.resolve()
+                    / "configs/inference"
+                )
         self.config = str(config_path / self.specs.config)
         self.ckpt = str(model_path / self.specs.ckpt)
         if not os.path.exists(self.config):