Update app.py

app.py

@@ -579,6 +579,10 @@ async(c, o, p, d, n, m)=>{
                 BABYLON.Engine.LastCreatedScene.render();
             }
           });
+
+          alert(JSON.parse(document.getElementById("output_video").getElementsByTagName("video")));
+          alert(JSON.parse(document.getElementById("depth_video").getElementsByTagName("video")));
+        
           
           BABYLON.Engine.LastCreatedScene.getEngine().setHardwareScalingLevel(1.0);
           BABYLON.Engine.LastCreatedScene.clearColor = new BABYLON.Color4(255,255,255,255);
@@ -664,8 +668,6 @@ async(c, o, p, d, n, m)=>{
           BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].rotation.y = coords[o_[j]].heading / 180 * Math.PI;
           BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].rotation.z = -coords[o_[j]].pitch / 180 * Math.PI;
         }*/
-        alert(document.getElementById("output_video").getElementsByTagName("video")[0].src);
-        alert(document.getElementById("depth_video").getElementsByTagName("video")[0].src);
         const videoDome = new BABYLON.VideoDome(
             "videoDome",
             [document.getElementById("output_video").getElementsByTagName("video")[0].src],