def METHOD_NAME(cls, project):
    """Method called to retrieve the latest version of the projects
    provided, project that relies on the backend of this plugin.
    :arg Project project: a :class:`anitya.db.models.Project` object whose backend
        corresponds to the current plugin.
    :return: the latest version found upstream
    :return type: str
    :raise AnityaPluginException: a
        :class:`anitya.lib.exceptions.AnityaPluginException` exception
        when the version cannot be retrieved correctly
    """
    return cls.get_versions(project)[0]