fixed?

.atom/packages/atom-material-ui/lib/helper/toggle-class-name.js

@@ -1,11 +0,0 @@
-'use babel';
-
-export default function toggleClassName(className, mustAddClass) {
-    const root = document.documentElement;
-
-    if (mustAddClass) {
-        root.classList.add(className);
-    } else {
-        root.classList.remove(className);
-    }
-}