format: python: clean up file header a bit

Since black seems to completely ignore (for the most part) the top
of the file, clean it up ourselves a bit.

BUG=None
TEST=CQ passes

Change-Id: I6b0b5aea970a0ac625317d51c0f7f77cc6d4121a
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/4219954
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Nicholas Bishop <nicholasbishop@google.com>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
diff --git a/scripts/gen_luci_scheduler.py b/scripts/gen_luci_scheduler.py
index a090b06..788876a 100644
--- a/scripts/gen_luci_scheduler.py
+++ b/scripts/gen_luci_scheduler.py
@@ -3,6 +3,7 @@
 # found in the LICENSE file.
 
 # pylint: disable=line-too-long
+
 """Generate LUCI Scheduler config file.
 
 This generates the LUCI Scheduler configuration file for ChromeOS builds based