请问运行了主程序出现以下报错怎么处理?谢谢!
Traceback (most recent call last):
File “Desktop/MdxScraper3.6/MdxScraper.py”, line 371, in
found, not_found = {
File “Desktop/MdxScraper3.6/MdxScraper.py”, line 209, in mdx2html
right_soup = BeautifulSoup(‘
’, ‘lxml’)
File “/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/bs4/init.py”, line 250, in init
raise FeatureNotFound(
bs4.FeatureNotFound: Couldn’t find a tree builder with the features you requested: lxml. Do you need to install a parser library?