astral-sh
diff --git a/‎crates/ruff_benchmark/benches/ty.rs‎
Lines changed: 10 additions & 14 deletions b/‎crates/ruff_benchmark/benches/ty.rs‎
Lines changed: 10 additions & 14 deletions
@@ -570,14 +570,13 @@ fn benchmark_many_enum_members(criterion: &mut Criterion) {
 
     setup_rayon();
 
-    let mut code = String::new();
-    writeln!(&mut code, "from enum import Enum").ok();
+    let mut code = "from enum import Enum\n".to_string();
 
-    writeln!(&mut code, "class E(Enum):").ok();
+    code.push_str("class E(Enum):\n");
     for i in 0..NUM_ENUM_MEMBERS {
         writeln!(&mut code, "    m{i} = {i}").ok();
     }
-    writeln!(&mut code).ok();
+    code.push('\n');
 
     code.push_str("print((");
     for i in 0..NUM_ENUM_MEMBERS {
@@ -674,13 +673,11 @@ class E(Enum):
         .ok();
     }
 
-    write!(
-        &mut code,
+    code.push_str(
         "
             case _:
-                assert_never(self)"
-    )
-    .ok();
+                assert_never(self)",
+    );
 
     criterion.bench_function("ty_micro[many_enum_members_2]", |b| {
         b.iter_batched_ref(
@@ -784,21 +781,20 @@ fn benchmark_large_isinstance_narrowing(criterion: &mut Criterion) {
 
     setup_rayon();
 
-    let mut code = String::new();
-    writeln!(&mut code, "class Base: ...").ok();
+    let mut code = "class Base: ...\n".to_string();
     for i in 0..NUM_CLASSES {
         writeln!(&mut code, "class C{i}(Base): ...").ok();
     }
-    writeln!(&mut code).ok();
+    code.push('\n');
 
-    writeln!(&mut code, "def f(obj: Base) -> None:").ok();
+    code.push_str("def f(obj: Base) -> None:\n");
     for i in 0..NUM_CLASSES {
         if i == 0 {
             writeln!(&mut code, "    if isinstance(obj, C{i}):").ok();
         } else {
             writeln!(&mut code, "    elif isinstance(obj, C{i}):").ok();
         }
-        writeln!(&mut code, "        pass").ok();
+        code.push_str("        pass\n");
     }
 
     criterion.bench_function("ty_micro[large_isinstance_narrowing]", |b| {