diff --git a/compass/ocean/tests/utility/__init__.py b/compass/ocean/tests/utility/__init__.py
index aab46ff42..bb996c2d0 100644
--- a/compass/ocean/tests/utility/__init__.py
+++ b/compass/ocean/tests/utility/__init__.py
@@ -1,7 +1,9 @@
 from compass.ocean.tests.utility.combine_topo import CombineTopo
+from compass.ocean.tests.utility.create_salin_restoring import (
+    CreateSalinRestoring,
+)
 from compass.ocean.tests.utility.cull_restarts import CullRestarts
 from compass.ocean.tests.utility.extrap_woa import ExtrapWoa
-from compass.ocean.tests.utility.create_salin_restoring import CreateSalinRestoring
 from compass.testgroup import TestGroup
 
 
diff --git a/compass/ocean/tests/utility/create_salin_restoring/__init__.py b/compass/ocean/tests/utility/create_salin_restoring/__init__.py
index 5ab2e1009..4e96f63aa 100644
--- a/compass/ocean/tests/utility/create_salin_restoring/__init__.py
+++ b/compass/ocean/tests/utility/create_salin_restoring/__init__.py
@@ -1,9 +1,9 @@
-from compass.ocean.tests.utility.create_salin_restoring.salinity_restoring import (
-    Salinity,
-)
 from compass.ocean.tests.utility.create_salin_restoring.extrap_salin import (
     ExtrapSalin,
 )
+from compass.ocean.tests.utility.create_salin_restoring.salinity_restoring import (
+    Salinity,
+)
 from compass.testcase import TestCase
 
 
diff --git a/compass/ocean/tests/utility/create_salin_restoring/extrap_salin.py b/compass/ocean/tests/utility/create_salin_restoring/extrap_salin.py
index d9e358e57..2559ab4ee 100644
--- a/compass/ocean/tests/utility/create_salin_restoring/extrap_salin.py
+++ b/compass/ocean/tests/utility/create_salin_restoring/extrap_salin.py
@@ -1,6 +1,6 @@
+from datetime import datetime
 import numpy as np
 import xarray as xr
-from datetime import datetime
 from scipy.signal import convolve2d
 
 from compass.step import Step
diff --git a/compass/ocean/tests/utility/create_salin_restoring/salinity_restoring.py b/compass/ocean/tests/utility/create_salin_restoring/salinity_restoring.py
index 06e59255b..f1df58f3c 100644
--- a/compass/ocean/tests/utility/create_salin_restoring/salinity_restoring.py
+++ b/compass/ocean/tests/utility/create_salin_restoring/salinity_restoring.py
@@ -1,5 +1,5 @@
-import numpy as np
 from mpas_tools.io import write_netcdf
+import numpy as np
 import xarray as xr
 
 from compass.step import Step