chromite: python3 super() change

super() instead of super(cls, self)

BUG=none
TEST=CQ

Change-Id: I053583b8cf014a9ce6cd1dab86de88720df81660
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/3054981
Tested-by: Jae Hoon Kim <kimjae@chromium.org>
Commit-Queue: Jae Hoon Kim <kimjae@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
diff --git a/cli/deploy_unittest.py b/cli/deploy_unittest.py
index 02cd5e4..33a5a8d 100644
--- a/cli/deploy_unittest.py
+++ b/cli/deploy_unittest.py
@@ -90,11 +90,11 @@
 class BrilloDeployOperationFake(deploy.BrilloDeployOperation):
   """Fake for deploy.BrilloDeployOperation."""
   def __init__(self, emerge, queue):
-    super(BrilloDeployOperationFake, self).__init__(emerge)
+    super().__init__(emerge)
     self._queue = queue
 
   def ParseOutput(self, output=None):
-    super(BrilloDeployOperationFake, self).ParseOutput(output)
+    super().ParseOutput(output)
     self._queue.put('advance')