How to install BeautifulSoup4?
BeautifulSoup4 is available in the official Kodi repository which is included by default in Kodi. You can install this addon by going in Kodi to System >> Settings >> Addons >> Get Addons >> XBMC.org Addons or Kodi.tv Addons
About SuperRepo and BeautifulSoup4
SuperRepo does not maintain BeautifulSoup4. We only provide an automated index for Kodi users to have easy access to BeautifulSoup4 and other addons for Kodi. We are not affiliated with the developers (Leonard Richardson (leonardr[AT]segfault.org)) and do not provide help for this particular addon.