revert unnecessary changes

Signed-off-by: Taichang Zhou <tzhouam@connect.ust.hk>

tests/diffusion/attention/test_attention_sp.py

@@ -329,9 +329,7 @@ def ulysses_attention_on_test_model(
     """Run Ulysses attention test on a test model and save results for comparison."""
     # Use fixed seed for reproducibility across baseline and SP runs
     RANDOM_SEED = 42
-    torch.manual_seed(RANDOM_SEED)
-    if torch.cuda.is_available():
-        torch.cuda.manual_seed_all(RANDOM_SEED)
+    current_omni_platform.seed_everything(RANDOM_SEED)
 
     mode_str = "Baseline (no SP)" if is_baseline else f"SP (ulysses={ulysses_degree}, ring={ring_degree})"
     print(f"\n[{mode_str}] Rank {local_rank}/{world_size} - Random seed set to {RANDOM_SEED}")