How to use the jovian.utils.shared._v function in jovian

def get_gist(slug, version, fresh):
    """Download a gist"""
    if '/' in slug:
        parts = slug.split('/')
        username, title = parts[0], parts[1]
        url = _u('user/' + username + '/gist/' + title + _v(version))
    else:
        url = _u('gist/' + slug + _v(version))
    res = get(url, headers=_h(fresh))
    if res.status_code == 200:
        return res.json()['data']
    raise Exception('Failed to retrieve Gist: ' + pretty(res))

def get_gist(slug, version=None, check_exists=True):
    """Get the metadata for a gist"""
    if '/' in slug:
        parts = slug.split('/')
        username, title = parts[0], parts[1]
        url = _u('user/' + username + '/gist/' + title + _v(version))
    else:
        url = _u('gist/' + slug + _v(version))
    res = get(url=url, headers=_h())
    if res.status_code == 200:
        return res.json()['data']
    elif check_exists and res.status_code == 404:
        return False
    raise Exception('Failed to retrieve metadata for notebook "' +
                    slug + '": ' + pretty(res))

def post_blocks(blocks, version=None):
    url = _u('/data/record' + _v(version))
    res = post(url, json=blocks, headers=_h())
    if res.status_code == 200:
        return res.json()['data']
    else:
        raise ApiError('Data logging failed: ' + pretty(res))

def post_records(gist_slug, tracking_slugs, version=None):
    """Associated tracked records with a commit"""
    url = _u('/data/' + gist_slug + '/commit' + _v(version))
    res = post(url, json=tracking_slugs, headers=_h())
    if res.status_code == 200:
        return res.json()['data']
    else:
        raise ApiError('Data logging failed: ' + pretty(res))