Update app.py

app.py

@@ -76,8 +76,10 @@ def findNormals(gray_depth, format):
 
 load_svg="""
 async(img, dpt)=>{
+try {
   document.getElementById('inimage').outerHTML = '<image id="inimage" crossorigin="anonymous" href="' + img + '" x="0" y="0" height="100%" width="100%" style="filter: url(#displacementFilter)"/>';
   document.getElementById('feimage').outerHTML = '<feImage id="feimage" crossorigin="anonymous" width="100%" height="100%" x="0" y="0" result="10_MAP" href="' + dpt + '"/>';
+} catch(e) {alert(e)}
 }
 """