Apply Ruff auto-fixes

Author: github-actions[bot]

benchmarks/bench_ping_pong_latency.py

@@ -40,7 +40,7 @@ def ping_pong(
             start = read_realtime()
             tl.store(mm_begin_timestamp_ptr + peer_rank * BLOCK_SIZE + offsets, start, time_stmp_mask)
         first_rank = tl.minimum(curr_rank, peer_rank) if (i % 2) == 0 else tl.maximum(curr_rank, peer_rank)
-        token_first_done  = i + 1
+        token_first_done = i + 1
         token_second_done = i + 2
         if curr_rank == first_rank:
             iris.store(data + offsets, token_first_done, curr_rank, peer_rank, heap_bases, mask=data_mask)
@@ -144,6 +144,7 @@ def _pretty_print_matrix(latency_matrix: torch.Tensor) -> None:
 
 def _write_csv(path: Path, latency_matrix: torch.Tensor) -> None:
     import csv
+
     path.parent.mkdir(parents=True, exist_ok=True)
     with path.open("w", newline="") as f:
         writer = csv.writer(f)
@@ -186,7 +187,6 @@ def save_results(latency_matrix: torch.Tensor, out: str | None) -> None:
         raise ValueError(f"Unsupported output file extension: {out}")
 
 
-
 def print_run_settings(
     args: dict,
     num_ranks: int,