lint: scripts: sort imports

After configuring sort behavior in isort.cfg, run `./scripts/isort`
on all the scripts/ modules in the tree.

BUG=b:187788732
TEST=`cros lint` is clean

Change-Id: Ida93e1a699eb6ee14adddb9f98bfca4392786143
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/3615054
Auto-Submit: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Sloan Johnson <sloanjohnson@google.com>
Commit-Queue: Sloan Johnson <sloanjohnson@google.com>
diff --git a/scripts/replication_util_unittest.py b/scripts/replication_util_unittest.py
index 4cc4e62..d572579 100644
--- a/scripts/replication_util_unittest.py
+++ b/scripts/replication_util_unittest.py
@@ -10,8 +10,11 @@
 from chromite.third_party.google.protobuf import json_format
 
 from chromite.api.gen.config.replication_config_pb2 import (
-    ReplicationConfig, FileReplicationRule, FILE_TYPE_OTHER,
-    REPLICATION_TYPE_COPY)
+    FILE_TYPE_OTHER,
+    FileReplicationRule,
+    REPLICATION_TYPE_COPY,
+    ReplicationConfig,
+)
 from chromite.lib import constants
 from chromite.lib import cros_test_lib
 from chromite.lib import osutils