diff --git a/src/spatialdata/datasets.py b/src/spatialdata/datasets.py
index e0531c11..04408bc1 100644
--- a/src/spatialdata/datasets.py
+++ b/src/spatialdata/datasets.py
@@ -143,7 +143,9 @@ def blobs(
     ) -> SpatialData:
         """Blobs dataset."""
         image = self._image_blobs(self.transformations, self.length, self.n_channels, self.c_coords)
-        multiscale_image = self._image_blobs(self.transformations, self.length, self.n_channels, self.c_coords, multiscale=True)
+        multiscale_image = self._image_blobs(
+            self.transformations, self.length, self.n_channels, self.c_coords, multiscale=True
+        )
         labels = self._labels_blobs(self.transformations, self.length)
         multiscale_labels = self._labels_blobs(self.transformations, self.length, multiscale=True)
         points = self._points_blobs(self.transformations, self.length, self.n_points)