async def _set_config(self):
    config = (await self.coll.find_one({'_id': 'config'}))
    self.enabled = config.get('enabled', True)
    self.whitelist = set(config.get('whitelist', []))
async def _set_config(self):
    config = (await self.coll.find_one({'_id': 'config'}))
    self.enabled = config.get('enabled', True)
    self.whitelist = set(config.get('whitelist', []))