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

Applies the `pyupgrade` hook to all files in the repo.

Change-Id: I9879c634a65c5fcaa9567c63bc5977ff97d5d3bf

ext/testlib/query.py

@@ -32,7 +32,7 @@ import testlib.log as log
 
 # TODO Refactor print logic out of this so the objects
 # created are separate from print logic.
-class QueryRunner(object):
+class QueryRunner:
     def __init__(self, test_schedule):
         self.schedule = test_schedule