Update index.js

index.js

@@ -196,7 +196,7 @@ async function acytoo(text, model) {
   return res.data
 }
 function waifu2x(urls, formats) {
-  return new Promise(async (resolve)) => {
+  return new Promise(async, (resolve)) => {
     // data
   await axios.get(urls, { responseType: "arraybuffer"})
     .then(img => {