contrib: Format new_variant.py

Ran `cros format variant/new_variant.py`.

BUG=none
TEST=cq

Change-Id: I64631bfcfd8c515dac548804cec84b12cab1d321
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/6527588
Reviewed-by: Jesse McGuire <jessemcguire@google.com>
Tested-by: Lee Presland <zland@google.com>
Commit-Queue: Lee Presland <zland@google.com>
1 file changed