if関数がうまく機能していない？

url = 'https://store.shopping～'
STOCK_WORD = '商品をカートに入れる'

#　LINE通知設定
TOKEN = 'QBMbucXXXXXXXXXXXXX'
#　APIのURL
api_url = ' https://notify-api.line.me/api/notify'
send_contents = {'在庫復活' + url }

#　LINE　NOTIFY　辞書型の設定
TOKEN_dic = {'Authorization': 'Bearer' + ' ' + TOKEN}send_dic = {'Message': send_contents}


def find_detail():
    
    res = requests.get(url)
    soup = BeautifulSoup(res.text,'html.parser')

　#idの文字列を取得　add_cartは「商品をカートに入れる」ボタンのid
    try:
        active = soup.find(id='add_cart').get_text()
    except:
        active = ''
    return(active)

def new_stock ():
    
    active = find_detail()
    if active==STOCK_WORD:
        print('入荷')
        requests.post(api_url, headers = TOKEN_dic, data = send_dic)
    else:
        print('在庫なし')

if __name__ == "__main__":
    while True:
        new_stock ()
        time.sleep(60)