diff --git a/benchmark/benchmark.py b/benchmark/benchmark.py
index d857cabed..840894ddf 100755
--- a/benchmark/benchmark.py
+++ b/benchmark/benchmark.py
@@ -155,7 +155,9 @@ def main(
     tries: int = typer.Option(2, "--tries", "-r", help="Number of tries for running tests"),
     threads: int = typer.Option(1, "--threads", "-t", help="Number of threads to run in parallel"),
     num_tests: int = typer.Option(-1, "--num-tests", "-n", help="Number of tests to run"),
-    num_ctx: Optional[int] = typer.Option(None, "--num-ctx", help="Override model context window size"),
+    num_ctx: Optional[int] = typer.Option(
+        None, "--num-ctx", help="Override model context window size"
+    ),
     exercises_dir: str = typer.Option(
         EXERCISES_DIR_DEFAULT, "--exercises-dir", help="Directory with exercise files"
     ),
@@ -589,7 +591,7 @@ def run_test_real(
         editor_model=editor_model,
         editor_edit_format=editor_edit_format,
     )
-    
+
     if num_ctx:
         if not main_model.extra_params:
             main_model.extra_params = {}