def METHOD_NAME(self):
    # Make the time label flexible again
    self._time_lbl.setMinimumSize(0, 0)
    self._time_lbl.setMaximumSize(0xFFFFFF, 0xFFFFFF)
    # Set the label to its largest possible content (last frame)
    last_frame_index = int(math.ceil(self._scene_duration * self._framerate))
    text = self._get_time_lbl_text(last_frame_index, self._scene_duration)
    self._time_lbl.setText(text)
    # Probe the occupied size and make it fixed for the current scene
    hint = self._time_lbl.sizeHint()
    self._time_lbl.setFixedSize(hint)