diff --git a/modules/formula.js b/modules/formula.js
index b7e7ece277..b7a348a2cd 100644
--- a/modules/formula.js
+++ b/modules/formula.js
@@ -1,6 +1,7 @@
 import Embed from '../blots/embed';
 import Quill from '../core/quill';
 
+
 class FormulaBlot extends Embed {
   static create(value) {
     let node = super.create(value);