diff --git a/build.py b/build.py
index d654c0d38b..0ee53ec667 100755
--- a/build.py
+++ b/build.py
@@ -69,10 +69,10 @@
 )
 
 parser.add_argument(
-    "--ci-bench",
-    action=argparse.BooleanOptionalAction,
-    default=False,
-    help="Run the benchmarking script that is run in CI (default is --no-ci-bench)",
+        "--ci-bench",
+        action=argparse.BooleanOptionalAction,
+        default=False,
+        help="Run the benchmarking script that is run in CI (default is --no-ci-bench)",
 )
 
 args = parser.parse_args()
@@ -303,46 +303,25 @@ def run_python_integration_tests(cwd, interpreter):
 def run_ci_historic_benchmark():
     branch = "main"
     output = subprocess.check_output(
-        [
-            "git",
-            "rev-list",
-            "--since=1 week ago",
-            "--pretty=format:%ad__%h",
-            "--date=short",
-            branch,
-        ]
+        ["git", "rev-list", "--since=1 week ago", "--pretty=format:%ad__%h", "--date=short", branch]
     ).decode("utf-8")
-    print("\n".join([line for i, line in enumerate(output.split("\n")) if i % 2 == 1]))
+    print('\n'.join([line for i, line in enumerate(output.split('\n')) if i % 2 == 1]))
 
     output = subprocess.check_output(
-        [
-            "git",
-            "rev-list",
-            "--since=1 week ago",
-            "--pretty=format:%ad__%h",
-            "--date=short",
-            branch,
-        ]
+        ["git", "rev-list", "--since=1 week ago", "--pretty=format:%ad__%h", "--date=short", branch]
     ).decode("utf-8")
-    date_and_commits = [line for i, line in enumerate(output.split("\n")) if i % 2 == 1]
+    date_and_commits = [line for i, line in enumerate(output.split('\n')) if i % 2 == 1]
 
     for date_and_commit in date_and_commits:
         print("benching commit", date_and_commit)
         result = subprocess.run(
-            [
-                "cargo",
-                "criterion",
-                "--message-format=json",
-                "--history-id",
-                date_and_commit,
-            ],
+            ["cargo", "criterion", "--message-format=json", "--history-id", date_and_commit],
             capture_output=True,
-            text=True,
+            text=True
         )
         with open(f"{date_and_commit}.json", "w") as f:
             f.write(result.stdout)
 
-
 if build_pip:
     step_start("Building the pip package")