Update app.py

app.py

@@ -65,7 +65,7 @@ def fn(glycan, model):
     elif model == "Random edge deletion":
       model_pred = model5
       model_pred.eval()
-    elif model == "Hierarchy substitution"
+    elif model == "Hierarchy substitution":
       model_pred = model6
       model_pred.eval()
     else: