diff --git a/piet-wgsl/src/engine.rs b/piet-wgsl/src/engine.rs
index 5e89905..9a3556c 100644
--- a/piet-wgsl/src/engine.rs
+++ b/piet-wgsl/src/engine.rs
@@ -305,7 +305,12 @@ impl Recording {
         buf_proxy
     }
 
-    pub fn upload_image(&mut self, width: u32, height: u32, data: impl Into<Vec<u8>>) -> ImageProxy {
+    pub fn upload_image(
+        &mut self,
+        width: u32,
+        height: u32,
+        data: impl Into<Vec<u8>>,
+    ) -> ImageProxy {
         let data = data.into();
         let image_proxy = ImageProxy::new(width, height);
         self.push(Command::UploadImage(image_proxy, data));
diff --git a/piet-wgsl/src/render.rs b/piet-wgsl/src/render.rs
index 4cc63e3..4550927 100644
--- a/piet-wgsl/src/render.rs
+++ b/piet-wgsl/src/render.rs
@@ -143,7 +143,12 @@ pub fn render_full(scene: &Scene, shaders: &FullShaders) -> (Recording, BufProxy
         let width = ramps.width();
         let height = ramps.height();
         let data: &[u8] = bytemuck::cast_slice(data);
-        println!("gradient image: {}x{} ({} bytes)", width, height, data.len());
+        println!(
+            "gradient image: {}x{} ({} bytes)",
+            width,
+            height,
+            data.len()
+        );
         ResourceProxy::Image(recording.upload_image(width, height, data))
     };
     let n_pathtag = data.tag_stream.len();
diff --git a/piet-wgsl/src/test_scene.rs b/piet-wgsl/src/test_scene.rs
index cdbd467..bb6f7ad 100644
--- a/piet-wgsl/src/test_scene.rs
+++ b/piet-wgsl/src/test_scene.rs
@@ -15,7 +15,10 @@
 // Also licensed under MIT license, at your choice.
 
 use kurbo::BezPath;
-use piet_scene::{Affine, Brush, Color, Fill, LinearGradient, PathElement, Point, Scene, SceneBuilder, Stroke, GradientStop};
+use piet_scene::{
+    Affine, Brush, Color, Fill, GradientStop, LinearGradient, PathElement, Point, Scene,
+    SceneBuilder, Stroke,
+};
 
 use crate::pico_svg::PicoSvg;
 
@@ -68,9 +71,16 @@ pub fn gen_test_scene() -> Scene {
                         offset: 1.0,
                         color: Color::rgb8(0, 0, 255),
                     },
-                ].into()
+                ]
+                .into(),
             });
-            builder.fill(Fill::NonZero, Affine::scale(3.0, 3.0), &gradient, None, &path);
+            builder.fill(
+                Fill::NonZero,
+                Affine::scale(3.0, 3.0),
+                &gradient,
+                None,
+                &path,
+            );
         }
         _ => {
             let xml_str =