TypeError: Class constructor Fellow cannot be invoked without 'new'

[balupton]

> node --harmony -e "require('editions').requirePackage(process.cwd(), require, 'test.js')"

projectz integration suite
projectz integration suite ➞  compile project with projectz
info: Initialising project
info: Initialised project
info: Loading changes
info: Reading readme file: /Users/balupton/Projects/edition-stuff/projectz/test-fixtures/src/LICENSE.md
info: Reading readme file: /Users/balupton/Projects/edition-stuff/projectz/test-fixtures/src/README.md
info: Reading package file: /Users/balupton/Projects/edition-stuff/projectz/test-fixtures/src/bower.json
info: Reading package file: /Users/balupton/Projects/edition-stuff/projectz/test-fixtures/src/component.json
info: Reading package file: /Users/balupton/Projects/edition-stuff/projectz/test-fixtures/src/package.json
info: Reading package file: /Users/balupton/Projects/edition-stuff/projectz/test-fixtures/src/projectz.cson
error: TypeError: Class constructor Fellow cannot be invoked without 'new'
  at new Person (/Users/balupton/Projects/edition-stuff/projectz/es2015/lib/person.js:24:73)
  at Function.create (/Users/balupton/Projects/edition-stuff/projectz/node_modules/fellow/source/index.js:18:42)
  at Function.ensure (/Users/balupton/Projects/edition-stuff/projectz/node_modules/fellow/source/index.js:40:26)
  at value.split.map (/Users/balupton/Projects/edition-stuff/projectz/node_modules/fellow/source/index.js:117:51)
  at Array.map (native)
  at Function.add (/Users/balupton/Projects/edition-stuff/projectz/node_modules/fellow/source/index.js:117:30)
  at Projectz.mergeData (/Users/balupton/Projects/edition-stuff/projectz/es2015/lib/projectz.js:520:22)
  at ambi (/Users/balupton/Projects/edition-stuff/projectz/node_modules/ambi/out/lib/ambi.js:55:18)
  at Domain.fireMethod (/Users/balupton/Projects/edition-stuff/projectz/node_modules/taskgroup/out/lib/taskgroup.js:397:23)
  at Domain.run (domain.js:221:14projectz integration suite ➞  compile project with projectz ✘   
projectz integration suite ✘  

Due to https://phabricator.babeljs.io/T7328

Workaround will either be dropping node <= 4 compat, or as fellow uses editions, use fellow's es2015 edition

[balupton]

pretty sure this was resolved by including fellow/es2015 instead