[Chore] Fix pre-commit formatting for hash benchmarks

Signed-off-by: LuminolT <[email protected]>

Author: LuminolT

benchmarks/benchmark_hash.py

@@ -16,7 +16,7 @@
 import random
 import statistics
 import time
-from typing import Callable, Iterable
+from collections.abc import Callable, Iterable
 
 from vllm.utils.hashing import sha256, xxhash
 

benchmarks/hash_perf_demo.py

@@ -86,7 +86,9 @@ def main() -> None:
     )
     args = parser.parse_args()
 
-    blocks = _generate_blocks(args.num_blocks, args.block_size, args.vocab_size, args.seed)
+    blocks = _generate_blocks(
+        args.num_blocks, args.block_size, args.vocab_size, args.seed
+    )
     print(
         f"Benchmarking {len(args.algorithms)} algorithms on "
         f"{args.num_blocks} blocks (block size={args.block_size})."
@@ -100,7 +102,7 @@ def main() -> None:
         avg, best, throughput = result
         print(
             f"{algo:14s} avg: {avg:.6f}s  best: {best:.6f}s  "
-            f"throughput: {throughput/1e6:.2f}M tokens/s"
+            f"throughput: {throughput / 1e6:.2f}M tokens/s"
         )
 
 

vllm/utils/hashing.py

@@ -9,10 +9,12 @@
 from typing import Any
 
 import cbor2
+
 try:
-    import xxhash as _xxhash  
-    if not hasattr(_xxhash, "xxh3_128_digest"):  
-        _xxhash = None  
+    import xxhash as _xxhash
+
+    if not hasattr(_xxhash, "xxh3_128_digest"):
+        _xxhash = None
 except ImportError:  # pragma: no cover
     _xxhash = None