diff --git a/benchmark/benchmark.py b/benchmark/benchmark.py
index fecf69f42..4076769de 100755
--- a/benchmark/benchmark.py
+++ b/benchmark/benchmark.py
@@ -158,7 +158,9 @@ def main(
     dirnames: Optional[List[str]] = typer.Argument(None, help="Directory names"),
     graphs: bool = typer.Option(False, "--graphs", help="Generate graphs"),
     model: str = typer.Option("gpt-3.5-turbo", "--model", "-m", help="Model name"),
-    sleep: float = typer.Option(0, "--sleep", help="Sleep seconds between tests when single threaded"),
+    sleep: float = typer.Option(
+        0, "--sleep", help="Sleep seconds between tests when single threaded"
+    ),
     edit_format: str = typer.Option(None, "--edit-format", "-e", help="Edit format"),
     editor_model: str = typer.Option(None, "--editor-model", help="Editor model name"),
     editor_edit_format: str = typer.Option(None, "--editor-edit-format", help="Editor edit format"),