def METHOD_NAME(self):
    """
    Has any stage entrance, which means stage page is fully loaded
    """
    # campaign_extract_name_image in CampaignOcr.
    try:
        if hasattr(self, 'campaign_extract_name_image'):
            del_cached_property(self, '_stage_image')
            del_cached_property(self, '_stage_image_gray')
            if not len(self.campaign_extract_name_image(self.device.image)):
                return False
    except IndexError:
        return False
    return True