diff --git a/benchmark/benchmark.py b/benchmark/benchmark.py
index 8d2b8942f..63a08a306 100755
--- a/benchmark/benchmark.py
+++ b/benchmark/benchmark.py
@@ -157,6 +157,7 @@ def resolve_dirname(dirname, use_single_prior, make_new):
     dirname = BENCHMARK_DNAME / dirname
     return dirname
 
+
 @app.command()
 def main(
     dirnames: Optional[List[str]] = typer.Argument(None, help="Directory names"),