？？？？？？？？？？？？？？？？？？？？？？问个问题贴没了

Traceback (most recent call last):
File "D:/py学习资料/gaokao.py", line 107, in <module>
get_one_page()
File "D:/py学习资料/gaokao.py", line 22, in get_one_page
soup = BeautifulSoup(response.text, "html5lib")
File "C:\Users\LL\PycharmProjects\untitled\venv\lib\site-packages\bs4\__init__.py", line 208, in __init__
% ",".join(features))
bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: html5lib. Do you need to install a parser library?
求帮忙