Binary package “python3-bs4” in ubuntu bionic

error-tolerant HTML parser for Python 3

 Beautiful Soup is a Python library for pulling data out of HTML and XML files.
 It works with your favorite parser to provide idiomatic ways of navigating,
 searching, and modifying the parse tree. It commonly saves programmers hours
 or days of work.
 .
 This package contains BeautifulSoup 4, for Python 3.x.