Fix: key_events cannot be nil anymore since #9586

frontend/ui/widget/inputtext.lua

@@ -542,7 +542,7 @@ function InputText:initKeyboard()
     if self.input_type == "number" then
         keyboard_layer = 4
     end
-    self.key_events = nil
+    self.key_events = {}
     self.keyboard = Keyboard:new{
         keyboard_layer = keyboard_layer,
         inputbox = self,

frontend/ui/widget/screensaverwidget.lua

@@ -95,7 +95,7 @@ function ScreenSaverWidget:setupGestureEvents()
             InputContainer.handleEvent(this, event)
             return true
         end
-        self.key_events = nil -- also disable exit with keys
+        self.key_events = {} -- also disable exit with keys
     end
 end