python: use serialize/serialize_abort_on_error for python maker
python: use serialize/serialize_abort_on_error for python maker

Ref: https://github.com/neomake/neomake/issues/577#issuecomment-249459328

codeinabox/neomake,datanoise/neomake,euclio/neomake,neomake/neomake,bonds/neomake,nerdrew/neomake,bonds/neomake,neomake/neomake,nerdrew/neomake,euclio/neomake