(self, event, callback)
Remove a registered callback, so it is no longer called when an
        event happens.
Remove a registered callback, so it is no longer called when an
        event happens.
Remove a registered callback so it is no longer called when an event happens .
def remove_callback(self, event, callback):
        """
        Remove a registered callback, so it is no longer called when an
        event happens.
        """
        if callback in self._event_vector[event]["callback"]:
            self._event_vector[event]["callback"].remove(callback)
def remove_callback ( self , event , callback ) : if callback in self . _event_vector [ event ] [ "callback" ] : self . _event_vector [ event ] [ "callback" ] . remove ( callback )