[llvm] [gn] Run `uvx black llvm/utils/gn/build/sync_source_dir.py` (PR #196044)

[Nico Weber via llvm-commits]

https://github.com/nico created https://github.com/llvm/llvm-project/pull/196044

Apparently "Check code formatting" doesn't block submission. Follow-up to #195948.

>From 181dae2c193816059637880a5699b02249e05679 Mon Sep 17 00:00:00 2001
From: Nico Weber <thakis at chromium.org>
Date: Wed, 6 May 2026 06:59:53 -0400
Subject: [PATCH] [gn] Run `uvx black llvm/utils/gn/build/sync_source_dir.py`

Apparently "Check code formatting" doesn't block submission.
Follow-up to #195948.
---
 llvm/utils/gn/build/sync_source_dir.py | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/llvm/utils/gn/build/sync_source_dir.py b/llvm/utils/gn/build/sync_source_dir.py
index 7f6f9a2a99724..7e56bc86999ec 100644
--- a/llvm/utils/gn/build/sync_source_dir.py
+++ b/llvm/utils/gn/build/sync_source_dir.py
@@ -19,14 +19,14 @@ def read(filename):
 
 def main():
     parser = argparse.ArgumentParser(
-        description=__doc__,
-        formatter_class=argparse.RawDescriptionHelpFormatter)
-    parser.add_argument("--stamp", required=True,
-                        help="name of a file whose mtime is updated on run")
+        description=__doc__, formatter_class=argparse.RawDescriptionHelpFormatter
+    )
+    parser.add_argument(
+        "--stamp", required=True, help="name of a file whose mtime is updated on run"
+    )
     parser.add_argument("--source-dir", required=True)
     parser.add_argument("--output-dir", required=True)
-    parser.add_argument("--except", dest="exceptions", action="append",
-                        default=[])
+    parser.add_argument("--except", dest="exceptions", action="append", default=[])
     parser.add_argument("rspfile")
     args = parser.parse_args()