diff --git a/vm/src/stdlib/itertools.rs b/vm/src/stdlib/itertools.rs
index 9669f8ba0..fc7e7434e 100644
--- a/vm/src/stdlib/itertools.rs
+++ b/vm/src/stdlib/itertools.rs
@@ -145,7 +145,10 @@ mod decl {
     impl PyItertoolsCompress {
         #[pymethod(magic)]
         fn reduce(zelf: PyRef<Self>) -> (PyTypeRef, (PyIter, PyIter)) {
-            (zelf.class().clone(), (zelf.data.clone(), zelf.selectors.clone()))
+            (
+                zelf.class().clone(),
+                (zelf.data.clone(), zelf.selectors.clone()),
+            )
         }
     }