Update app.py

app.py

@@ -451,6 +451,7 @@ with gr.Blocks(css=css) as demo:
                 blur_in = gr.Textbox(value="", label="Kernel size", show_label=False)
             with gr.Accordion(label="Locations", open=False):
                 offset = gr.HTML(value="""<input type='text' id='kbrd' onkeydown='
+                if (BABYLON) {
                   if (!BABYLON.Engine.LastCreatedScene.activeCamera.metadata) {
                     var evt = document.createEvent(\"Event\");
                     evt.initEvent(\"click\", true, false);
@@ -554,22 +555,23 @@ with gr.Blocks(css=css) as demo:
                     default:
                       this.value = \"\"; 
                   }
+                }
                 '/><pre onload='
                 this.innerHTML.replace(/[weasdzx]/gi, function(c){
-                  return \"<b color=red>\" + c + \"</b>\";
+                  return \"<b style=&quot;color:red&quot;>\" + c + \"</b>\";
                 });
                 this.innerHTML.replace(/[tyfghvb]/gi, function(c){
-                  return \"<b color=green>\" + c + \"</b>\";
+                  return \"<b style=&quot;color:green&quot;>\" + c + \"</b>\";
                 });
                 this.innerHTML.replace(/[iojklm,]/gi, function(c){
-                  return \"<b color=blue>\" + c + \"</b>\";
+                  return \"<b style=&quot;color:blue&quot;>\" + c + \"</b>\";
                 });
                 '>
-`  1  2  3  4  5  6  7  8  9  0  -  =  _<_ 
-|-  Q  W  E  R  T  Y  U  I  O  P  {  }  | |
-CAP  A  S  D  F  G  H  J  K  L  ;  '  # |_|
-^  \  Z  X  C  V  B  N  M  ,  .  /   __^__ 
-c     move    rotate    scale      a     c 
+`  1  2  3  4  5  6  7  8  9  0  -  =  
+    Q  W  E  R  T  Y  U  I  O  P  {  }
+     A  S  D  F  G  H  J  K  L  ;  '
+      Z  X  C  V  B  N  M  ,  .  /
+      move    rotate    scale
                 </pre>""")
                 selected = gr.Number(elem_id="fnum", value=0, minimum=0, maximum=256, interactive=False)
                 output_frame.select(fn=select_frame, inputs=None, outputs=[output_depth, selected], show_progress='hidden')