Update app.py

app.py

@@ -75,7 +75,7 @@ def molecule(input_pdb, public_link):
       //Set options (Checkout available options list in the documentation)
       var options = {
         customData: {
-          url: """+link""",
+          url: """+link+""",
           format: "pdb"
         },
         alphafoldView: true,