diff --git a/virtualizarr/tests/test_writers/test_zarr.py b/virtualizarr/tests/test_writers/test_zarr.py
index 806ef6be..278b2d78 100644
--- a/virtualizarr/tests/test_writers/test_zarr.py
+++ b/virtualizarr/tests/test_writers/test_zarr.py
@@ -1,16 +1,13 @@
 import json
 
+import numpy as np
 import pytest
-from xarray import Dataset
 import xarray.testing as xrt
-import numpy as np
-
-from virtualizarr import ManifestArray
+from xarray import Dataset
 
-from virtualizarr.writers.zarr import dataset_to_zarr
-from virtualizarr.manifests.manifest import ChunkManifest
-from virtualizarr import open_virtual_dataset
+from virtualizarr import ManifestArray, open_virtual_dataset
 from virtualizarr.backend import FileType
+from virtualizarr.manifests.manifest import ChunkManifest
 from virtualizarr.readers.zarr import metadata_from_zarr_json
 from virtualizarr.writers.zarr import dataset_to_zarr