diff --git a/src/moscot/plotting/_utils.py b/src/moscot/plotting/_utils.py
index 277ad621f..358ae5fa2 100644
--- a/src/moscot/plotting/_utils.py
+++ b/src/moscot/plotting/_utils.py
@@ -429,10 +429,10 @@ def _plot_scatter(
             titles = [f"{categories if categories is not None else 'Cells'} at time {source if push else target}"]
             titles.extend([f"{name} at time {time_points[i]}" for i in range(1, len(time_points))])
         else:
-            titles = ([
-                    f"{'Push' if push else 'Pull'} {categories if categories is not None else 'cells'} "
-                    + f"from {source if push else target} to {target if push else source}"
-                ])
+            titles = [
+                f"{'Push' if push else 'Pull'} {categories if categories is not None else 'cells'} "
+                + f"from {source if push else target} to {target if push else source}"
+            ]
     for i, ax in enumerate(axs):
         # we need to create adata_view because otherwise the view of the adata is copied in the next step i+1
         with RandomKeys(adata, n=2, where="obs") as keys: