Format PR 393 with rustfmt

Author: dtolnay

tests/test_de.rs

@@ -453,8 +453,12 @@ fn test_numbers() {
 #[test]
 fn test_nan() {
     // There is no negative NaN in YAML.
-    assert!(serde_yaml::from_str::<f32>(".nan").unwrap().is_sign_positive());
-    assert!(serde_yaml::from_str::<f64>(".nan").unwrap().is_sign_positive());
+    assert!(serde_yaml::from_str::<f32>(".nan")
+        .unwrap()
+        .is_sign_positive());
+    assert!(serde_yaml::from_str::<f64>(".nan")
+        .unwrap()
+        .is_sign_positive());
 }
 
 #[test]