def refresh(self, force=False):
        if self._is_token_expired() or force:
            tokens = self._get_refresh_access()
            self.access_token = tokens['access_token']
            self.refresh_token = tokens['refresh_token']
            self._set_access_credentials()
Refreshes the `access_token` and sets the praw instance `reddit_client`
dataset/ETHPy150Open avinassh/prawoauth2/prawoauth2/PrawOAuth2Mini.py/PrawOAuth2Mini.refresh