Update app.py

app.py

@@ -62,7 +62,7 @@ def build_gradio_app(css=css):
 
         examples = gr.Examples(examples=[["ko.png"], ["en.png"], ["hand.jpg"]], inputs=[image_input], fn=process_and_output, outputs=[outputs])
         
-        latex_iframe = gr.HTML(value='<iframe src="https://www.mathjax.org/#demo" style="width: 100%; height: 700px; border: 2px solid #007bff; border-radius: 8px;"></iframe>', elem_id="latex_iframe")
+        latex_iframe = gr.HTML(value='<iframe src="https://mathjax.github.io/MathJax-demos-web/input-tex_mml2chtml.html" style="width: 100%; height: 700px; border: 2px solid #007bff; border-radius: 8px;"></iframe>', elem_id="latex_iframe")
 
     return demo