Update app.py

app.py

@@ -42,6 +42,7 @@ with gr.Blocks() as demo:
     out_file = gr.File(label="Download SVG")
     btn.click(None, [], [view_str, chains], js="() => [document.getElementById('viewMatrixResult').value, document.getElementById('chains').value]")  #
     # on change of chains trigger, rendering
+    view_str.change(predict, [inp, view_str, chains], [html, out_file])
     chains.change(predict, [inp, view_str, chains], [html, out_file])