diff --git a/crates/ruff_python_formatter/src/lib.rs b/crates/ruff_python_formatter/src/lib.rs
index ada297f0efa74..fcb512c63c16c 100644
--- a/crates/ruff_python_formatter/src/lib.rs
+++ b/crates/ruff_python_formatter/src/lib.rs
@@ -188,10 +188,14 @@ if True:
     #[test]
     fn quick_test() {
         let source = r#"
-def foo(*
- # comment
- arg):
-    pass
+def main() -> None:
+    if True:
+        some_very_long_variable_name_abcdefghijk = Foo()
+        some_very_long_variable_name_abcdefghijk = some_very_long_variable_name_abcdefghijk[
+            some_very_long_variable_name_abcdefghijk.some_very_long_attribute_name
+            == "This is a very long string abcdefghijk"
+        ]
+
 "#;
         let source_type = PySourceType::Python;