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/cros_generate_tidy_warnings.py b/scripts/cros_generate_tidy_warnings.py
index a467bd7..ccb6a8e 100644
--- a/scripts/cros_generate_tidy_warnings.py
+++ b/scripts/cros_generate_tidy_warnings.py
@@ -7,8 +7,8 @@
 import os
 import shutil
 
-from chromite.lib import cros_build_lib
 from chromite.lib import commandline
+from chromite.lib import cros_build_lib
 from chromite.lib import osutils
 from chromite.lib import sudo