Update app.py

app.py

@@ -7,17 +7,16 @@ load_js="""src='https://cdn.jsdelivr.net/npm/phaser@3.11.0/dist/phaser.js'
 game_js="""
 
 
-const script = document.createElement("script");
-script.onload = () =>  console.log("module loaded") ;
-script.type="module";
-script.src = "https://cdn.jsdelivr.net/npm/phaser@3.11.0/dist/phaser.js";
-document.head.appendChild(script)
-
 async () => {
    // set testFn() function on globalThis, so you html onlclick can access it
     globalThis.testFn = () => {
 
-
+    const script = document.createElement("script");
+    script.onload = () =>  console.log("module loaded") ;
+    script.type="module";
+    script.src = "https://cdn.jsdelivr.net/npm/phaser@3.11.0/dist/phaser.js";
+    document.head.appendChild(script)
+    
     var config = {
     type: Phaser.AUTO,
     width: 800,