misc: Run pre-commit run --all-files

This is reflect the updates made to black when running `pre-commit
autoupdate`.

Change-Id: Ifb7fea117f354c7f02f26926a5afdf7d67bc5919

ext/testlib/helper.py

@@ -132,6 +132,7 @@ class TimedWaitPID(object):
 # Patch os.waitpid()
 TimedWaitPID.install()
 
+
 # TODO Tear out duplicate logic from the sandbox IOManager
 def log_call(logger, command, time, *popenargs, **kwargs):
     """

ext/testlib/query.py

@@ -29,6 +29,7 @@
 import testlib.terminal as terminal
 import testlib.log as log
 
+
 # TODO Refactor print logic out of this so the objects
 # created are separate from print logic.
 class QueryRunner(object):