Remove duplicate _create_local's.
Fix typo in comment.
Undo unnecessary rearrangement.
Remove an added #noqa.
Don't use _really_apply.
Add a blank line at the top level.
Dont repeat ourselves.
key word -> keyword
Fix the Returns description.
peice -> piece
Add missing file headers.
Remove unused import.
Add file header to engine.py.
Merge pull request #527 from enthought/feature/mpi-only-bobs-fixup

Fix up feature/mpi-only branch