diff --git a/rio_tiler/io/xarray.py b/rio_tiler/io/xarray.py
index 154d5e88..c4bb323b 100644
--- a/rio_tiler/io/xarray.py
+++ b/rio_tiler/io/xarray.py
@@ -232,7 +232,9 @@ def tile(
             reproject_method = resampling_method
 
         if not self.tile_exists(tile_x, tile_y, tile_z):
-            raise TileOutsideBounds(f"Tile(x={tile_x}, y={tile_y}, z={tile_z}) is outside bounds")
+            raise TileOutsideBounds(
+                f"Tile(x={tile_x}, y={tile_y}, z={tile_z}) is outside bounds"
+            )
 
         ds = self.input
         if nodata is not None: