fix misc style issues

No functional changes here.

BUG=chromium:377211
TEST=`./cbuildbot/run_tests` passes

Change-Id: Ibb2d87a419d4252b680d282358e140fb6f8d1a59
Reviewed-on: https://chromium-review.googlesource.com/201490
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
diff --git a/scripts/parallel_emerge.py b/scripts/parallel_emerge.py
index b2fec0d..a0d9902 100644
--- a/scripts/parallel_emerge.py
+++ b/scripts/parallel_emerge.py
@@ -862,6 +862,7 @@
   # Kill self and all subprocesses.
   os.killpg(0, signal.SIGKILL)
 
+
 def SetupWorkerSignals():
   def ExitHandler(_signum, _frame):
     # Set KILLED flag.