Update app.py

app.py

@@ -462,12 +462,8 @@ try {
       const xhttp = new XMLHttpRequest();
       xhttp.onreadystatechange = function() {
         if (this.readyState == 4 && this.status == 200) {
-          var uInt8Array = new Uint8Array(this.response);
-
-          for (var i = 0, len = uInt8Array.length; i < len; ++i) {
-            uInt8Array[i] = this.response[i];
-          }
-          const blob = new Blob([uInt8Array], {
+          
+          const blob = new Blob([this.response], {
             type: "video/mp4",
           });