Gulpfile.js in neat-2.0.0.beta.2 vs Gulpfile.js in neat-2.0.0

@@ -1,7 +1,6 @@
-var bourbon    = require("bourbon").includePaths,
-    autoprefix = require("gulp-autoprefixer"),
+var autoprefix = require("gulp-autoprefixer"),
     connect    = require("gulp-connect"),
     gulp       = require("gulp"),
     sass       = require("gulp-sass");
 
 var paths = {
@@ -10,10 +9,12 @@
     "./contrib/**/*.scss"]
 };
 
 gulp.task("sass", function () {
   return gulp.src(paths.scss)
-    .pipe(sass())
+    .pipe(sass({
+        sourcemaps: true
+    }))
     .pipe(autoprefix("last 2 versions"))
     .pipe(gulp.dest("./contrib"))
     .pipe(connect.reload());
 });