def get_thumbnail_url(self):
        try:
            url =  self.thumbnail.url
        except __HOLE__:
            url = os.path.abspath(os.path.join("/static","images","glass_brain_empty.jpg"))
        return url
dataset/ETHPy150Open NeuroVault/NeuroVault/neurovault/apps/statmaps/models.py/Image.get_thumbnail_url