Data passed with access_token is lost about aioauth-client HOT 6 CLOSED

class VKClient(OAuth2Client):

    authorize_url = 'http://api.vkontakte.ru/oauth/authorize'
    access_token_url = 'https://api.vkontakte.ru/oauth/access_token'
    user_info_url = (
        'https://api.vk.com/method/users.get?fields='
        'uid,first_name,last_name,nickname,sex,bdate,city,'
        'country,timezone,photo_big'
    )
    name = 'vk'
    base_url = 'https://api.vk.com'

    @asyncio.coroutine
    def get_access_token(self, *args, **kwargs):
        ret = yield from super().get_access_token(*args, **kwargs)
        if 'email' in ret:
            self.email = ret['email']
        return ret

    @asyncio.coroutine
    def user_info(self, **kwargs):
        user, data = yield from super().user_info(**kwargs)
        if hasattr(self, 'email'):
            user.email = self.email
        return user, data

    @staticmethod
    def user_parse(data):
        """ Parse information from provider. """
        resp = data.get('response', [{}])[0]
        yield 'id', resp.get('uid')
        yield 'first_name', resp.get('first_name')
        yield 'last_name', resp.get('last_name')
        yield 'username', resp.get('nickname')
        yield 'city', resp.get('city')
        yield 'country', resp.get('country')
        yield 'picture', resp.get('photo_big')