diff --git a/linc_convert/utils/zarr.py b/linc_convert/utils/zarr.py
index 5127a480..829463a0 100644
--- a/linc_convert/utils/zarr.py
+++ b/linc_convert/utils/zarr.py
@@ -9,7 +9,6 @@
 
 # externals
 import nibabel as nib
-
 import numcodecs
 import numcodecs.abc
 import numpy as np
diff --git a/scripts/oct_mat_to_zarr.py b/scripts/oct_mat_to_zarr.py
index a2ff53e5..18f645fb 100644
--- a/scripts/oct_mat_to_zarr.py
+++ b/scripts/oct_mat_to_zarr.py
@@ -20,7 +20,7 @@
 from contextlib import contextmanager
 from functools import wraps
 from itertools import product
-from typing import Optional, List
+from typing import List, Optional
 from warnings import warn
 
 import cyclopts
@@ -29,10 +29,14 @@
 import numpy as np
 import zarr
 from scipy.io import loadmat
-
 from utils import (
-    ceildiv, make_compressor, convert_unit, to_ome_unit, to_nifti_unit,
-    orientation_to_affine, center_affine
+    ceildiv,
+    center_affine,
+    convert_unit,
+    make_compressor,
+    orientation_to_affine,
+    to_nifti_unit,
+    to_ome_unit,
 )
 
 app = cyclopts.App(help_format="markdown")
@@ -104,7 +108,6 @@ def convert(
     center
         Set RAS[0, 0, 0] at FOV center
     """
-
     if isinstance(compressor_opt, str):
         compressor_opt = ast.literal_eval(compressor_opt)
 
diff --git a/scripts/utils.py b/scripts/utils.py
index 88d6ff55..cb2c0e1c 100644
--- a/scripts/utils.py
+++ b/scripts/utils.py
@@ -1,4 +1,5 @@
 import math
+
 import numcodecs
 import numpy as np