Как исправить ошибку 'NoneType' object is not iterable

Ошибка:

File "C:/Users/evrik/AppData/Local/Programs/Python/Python38-32/`325789.py", line 22, in get_content
    for item in items:
TypeError: 'NoneType' object is not iterable

Код:

def get_content(html):
    soup = BeautifulSoup(html,  'html.parser')
    items = soup.find(class_='raspis')

    names = []
    for item in items:
        names.append({
           'title': item.find('div', class_='shtitle')
        })