diff --git a/libs/kest-core/python/examples/bench/bench_throughput.py b/libs/kest-core/python/examples/bench/bench_throughput.py
index 2174e232..376e9c0a 100644
--- a/libs/kest-core/python/examples/bench/bench_throughput.py
+++ b/libs/kest-core/python/examples/bench/bench_throughput.py
@@ -13,8 +13,6 @@
     KEST_BACKEND=python uv run python examples/bench/bench_throughput.py
 """
 
-from __future__ import annotations
-
 import concurrent.futures
 import json
 import os
@@ -27,7 +25,13 @@
 # Allow running from the bench directory or from the project root.
 sys.path.insert(0, os.path.join(os.path.dirname(__file__), "../../"))
 
-from kest.core import KestEntry, sign_entry, LocalEd25519Provider, Passport, PassportVerifier
+from kest.core import (
+    KestEntry,
+    sign_entry,
+    LocalEd25519Provider,
+    Passport,
+    PassportVerifier,
+)
 
 PROVIDER = LocalEd25519Provider()
 THREAD_COUNTS = [1, 2, 4, 8]