Update create_goldfish_action and error to be pylint compliant.

- 4 space convention
- fix pylint errors
- Add some pylint disable comments to avoid pylint error temporarily

Bug: None
Test: pylint public/actions/create_goldfish_action_test.py passes
      pylint public/actions/create_goldfish_action.py passes
      pylint public/error.py passes

Change-Id: If196122cc7c0b880594b3f1f807d6df5871e16c3
3 files changed