diff --git a/dacapo/experiments/datasplits/datasets/arrays/zarr_array.py b/dacapo/experiments/datasplits/datasets/arrays/zarr_array.py
index 7a1de471b..12c15a1e5 100644
--- a/dacapo/experiments/datasplits/datasets/arrays/zarr_array.py
+++ b/dacapo/experiments/datasplits/datasets/arrays/zarr_array.py
@@ -274,8 +274,8 @@ def roi(self) -> Roi:
         """
         if self.snap_to_grid is not None:
             return self._daisy_array.roi.snap_to_grid(
-             np.lcm(self.voxel_size, self.snap_to_grid), mode="shrink"
-         )
+                np.lcm(self.voxel_size, self.snap_to_grid), mode="shrink"
+            )
         else:
             return self._daisy_array.roi