def METHOD_NAME():
    """Return the current X.Y stable version number from the latest git tag"""
    def get_latest_tag():
        """"Helper function: Return the latest git tag"""
        git_tag_output = subprocess.check_output(
            ['git', 'tag', '--list', "v*"]
            ).decode("utf-8").strip()
        git_tag_list = re.sub('[A-Za-z]', '', git_tag_output).split('\n')
        git_tag_list.sort(key=lambda s: [int(u) for u in s.split('.')])
        # The latest tag is the last in the list
        git_tag_latest = git_tag_list[-1]
        return git_tag_latest
    latest_tag = get_latest_tag()
    # Return 'X.Y' from 'X.Y.Z'
    return latest_tag[:-2]