Update app.py

hack to fix the bug, have to debug it later

app.py

@@ -848,7 +848,10 @@ def _censor_me(self, p, safer=0.0005):
     keym = vi.get
   except Exception as e:
     keym = 0
-  max_key = max(v1, key=v1.get)
+  try:
+    max_key = max(v1, key=v1.get)
+  except Exception as e:
+    max_key = 0
   max_value = v1[max_key]
   sum_value = sum(v1.values())
   #