diff --git a/scripts/benchmark_streaming_chunk_overhead.py b/scripts/benchmark_streaming_chunk_overhead.py
index a1ad41ac77d..11fbea6a6a3 100644
--- a/scripts/benchmark_streaming_chunk_overhead.py
+++ b/scripts/benchmark_streaming_chunk_overhead.py
@@ -169,11 +169,13 @@ def _make_wrapper(
         custom_llm_provider=provider,
     )
 
+
 @dataclass
 class TimingSample:
     wall_s: float
     cpu_s: float
 
+
 def drive_sync(
     provider_key: str, chunks_per_stream: int, n_streams: int
 ) -> TimingSample: