Update imgen.js

imgen.js

@@ -1,5 +1,6 @@
 class ImageGenerator {
     constructor() {
+      　this.runningEditorUnsandboxed=false;
         this.baseURL = 'https://soiz-flux-1-dev-serverless.hf.space/generate';
         this.prompt = '';
         this.negativePrompt = '';
@@ -95,10 +96,10 @@ class ImageGenerator {
     setSeed(args) { this.seed = args.NUM; }
     setReturnType(args) { this.returnType = args.TYPE; }
 
-    generateImage() { return this.fetchImage(); }
+    async generateImage() { return this.fetchImage(); }
     getFetchURL() { return this.generateFetchURL(); }
     getParametersJSON() { return this.getParametersAsJSON(); }
 }
 
 // Register the extension
-Scratch.extensions.register(new ImageGenerator());
+Scratch.extensions.register(new ImageGenerator());