Update app.py

app.py

@@ -458,11 +458,29 @@ load_model="""
 async()=>{
   var intv = setInterval(function(){
     if (document.getElementById("output_video").getElementsByTagName("video")) {
-
-      document.getElementById("model3d").src = document.getElementById("model3d").src.split("?")[0] + "?url=" + document.getElementById("output_video").getElementsByTagName("video")[0].src;
-      document.getElementById("newtab").href = document.getElementById("model3d").src;
+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], {
+            type: "video/mp4",
+          });
+          
+          document.getElementById("model3d").src = document.getElementById("model3d").src.split("?")[0] + "?url=" + URL.createObjectURL(blob);
+          document.getElementById("newtab").href = document.getElementById("model3d").src;
+        }
+      };
+      xhttp.responseType = 'arraybuffer';
+      xhttp.open("GET", document.getElementById("output_video").getElementsByTagName("video")[0].src);
+      xhttp.send(); 
     
       clearInterval(intv);
+} catch(e) {alert(e)}
     }
   }, 40);
 }