'NoneType' object is not iterable Что делать?

import json
 
import requests
from bs4 import BeautifulSoup
 
 
def wr_json(lst: list):
    with open('save.json', 'w', encoding='utf-8') as f:
        json.dump(lst, f, indent=4, ensure_ascii=False)
 
 
URL = 'https://krisha.kz/prodazha/kvartiry/' 
HOST = 'https://krisha.kz' 
 
def get_html(url, params=None):
    r = requests.get(url, params=params)
    return r
 
 
def get_content(html,):
    response = BeautifulSoup(html, 'html.parser')
    cards = []
    inc = response.find('.a-card__inc')
    for i in inc:
        link = i.find('.a-card__title', first=True).links
        cards.append({'name': i.find('.a-card__title', first=True).text,
                      'price': i.find('.a-card__price', first=True).text,
                      'description': i.find('.a-card__text-preview', first=True).text,
            })
        for t in t:
            cards.append({'Floor': t.find('div', class_='offer__advert-short-info'),
                         'Square': t.find('div', class_='offer__advert-short-info'),
                         'State': t.find('div', class_='offer__advert-short-info'),
                         'Year': t.find('div', class_='offer__advert-short-info'),
                         'ComplexHome': t.find('div', class_='offer__advert-short-info'),
                         'SellerDescriphion': t.find('div', class_='offer__parameters'),
                         'Description': t.find('div', class_='a-text a-text-white-spaces'),})
 
 
    return cards 
 
def parser():
    html = get_html(URL)
    if html.status_code == 200:
        cards = []
        for page in range(1,):
            print(f'Парсим страницу: {page}')
            html = get_html(URL, params={'page': page})
            cards.extend(get_content(html.text))
        print(cards)
        wr_json(cards)
    else:
        print('Error')
 
 
parser()