Update stable_cascade.py

stable_cascade.py

@@ -166,7 +166,7 @@ def web_demo():
                                 )               
                 text2image_predict = gr.Button(value="Generate Image")
                 
-           output_image_base64 = gr.Text()
+            output_image_base64 = gr.Text()
                 
             text2image_predict.click(
                 fn=generate_images,