No ability to includePaths about gulp-cssimport HOT 8 CLOSED

gulp.task("styles", function(){
  return gulp.src([sourceFilename])
    .pipe(cssimport(directory: bourbonPaths[0]))
    .pipe(gulp.dest(destinationFolder));
})

var through2 = require("through2");
var VinylFile = require('vinyl');
var Chunk = require("gulp-cssimport/chunk");

    var stream = gulp.src("design/style.css")
        .pipe(through2.obj(function (chunk, enc, callback) {
            var ch = Chunk.create({
                contents: chunk.contents.toString(),
                directory: chunk.base
            });
            callback(null, ch);
        }))
        .pipe(cssimport({directory: "design" }))
        .pipe(through2.obj(function (data, enc, callback) {
            var file = new VinylFile({
                path: 'x', // <--- we lost path here.
                contents: new Buffer(data)
            });
            callback(null, file);
        }))
        .pipe(gulp.dest("/dev/null"));

var gulp = require("gulp"),
    cssimport = require("gulp-cssimport"),
    through2 = require("through2"),
    VinylFile = require('vinyl'),
    neatPaths = require("node-neat").includePaths,
    bourbonPaths = require("node-bourbon").includePaths,
    sourceFilename = "scss/styles.scss.liquid",
    destinationFolder = "assets/",
    Chunk = require("gulp-cssimport/chunk");

gulp.task("styles", function(){
  return gulp.src([sourceFilename])
    .pipe(through2.obj(function (chunk, enc, callback) {
        var ch = Chunk.create({
            contents: chunk.contents.toString(),
            directory: chunk.base
        });
        callback(null, ch);
    }))
    .pipe(cssimport({directory: bourbonPaths[0]}))
    .pipe(through2.obj(function (data, enc, callback) {
        var file = new VinylFile({
            path: sourceFilename, // <- Can we just use a filename variable?
            contents: new Buffer(data)
        });
        callback(null, file);
    }))
    .pipe(gulp.dest(destinationFolder));
})

gulp.task("watch", function () {
  gulp.watch("scss/**/*.*", ["styles"]);
});

gulp.task("default", ["watch"]);