Approve an access request.

        Args:
            access_level (int): The access level for the user
            **kwargs: Extra options to send to the server (e.g. sudo)

        Raises:
            GitlabAuthenticationError: If authentication is not correct
            GitlabUpdateError: If the server fails to perform the request

def approve(self, access_level=gitlab.DEVELOPER_ACCESS, **kwargs):
        """Approve an access request.

        Args:
            access_level (int): The access level for the user
            **kwargs: Extra options to send to the server (e.g. sudo)

        Raises:
            GitlabAuthenticationError: If authentication is not correct
            GitlabUpdateError: If the server fails to perform the request
        """

        path = '%s/%s/approve' % (self.manager.path, self.id)
        data = {'access_level': access_level}
        server_data = self.manager.gitlab.http_put(path, post_data=data,
                                                   **kwargs)
        self._update_attrs(server_data)