code: def ungrab_hotkey(self, item):
          
          import copy
          newItem = copy.copy(item)
          
          if item.get_applicable_regex() is None:
              self.__enqueue(self.__ungrabHotkey, newItem.hotKey, newItem.modifiers, self.rootWindow)
              if self.__needsMutterWorkaround(item):
                  self.__enqueue(self.__ungrabRecurse, newItem, self.rootWindow, False)
          else:
              self.__enqueue(self.__ungrabRecurse, newItem, self.rootWindow)
docs: Ungrab a hotkey.
  
          If the hotkey has no filter regex, it is global and is grabbed recursively from the root window
          If it has a filter regex, iterate over all children of the root and ungrab from matching windows