caveats: recommend adding python site-packages with site.addsitedir
caveats: recommend adding python site-packages with site.addsitedir

Closes Homebrew/homebrew#33364. Fixes Homebrew/homebrew#30844.

Linuxbrew/brew,reitermarkus/brew,pseudocody/brew,staticfloat/brew,nandub/brew,staticfloat/brew,reelsense/brew,mahori/brew,JCount/brew,sjackman/homebrew,jmsundar/brew,sjackman/homebrew,amar-laksh/brew_sudo,reitermarkus/brew,nandub/brew,gordonmcshane/homebrew,gordonmcshane/homebrew,claui/brew,bfontaine/brew,AnastasiaSulyagina/brew,toonetown/homebrew,palxex/brew,reelsense/brew,mahori/brew,reitermarkus/brew,vitorgalvao/brew,palxex/brew,nandub/brew,amar-laksh/brew_sudo,gregory-nisbet/brew,tonyg/homebrew,vitorgalvao/brew,nandub/brew,mahori/brew,sjackman/homebrew,pseudocody/brew,muellermartin/dist,amar-laksh/brew_sudo,Linuxbrew/brew,AnastasiaSulyagina/brew,reitermarkus/brew,vitorgalvao/brew,mahori/brew,JCount/brew,Linuxbrew/brew,DomT4/brew,hanxue/linuxbrew,zmwangx/brew,MikeMcQuaid/brew,bfontaine/brew,Linuxbrew/brew,gregory-nisbet/brew,konqui/brew,pseudocody/brew,staticfloat/brew,konqui/brew,hanxue/linuxbrew,bfontaine/brew,Homebrew/brew,konqui/brew,jmsundar/brew,alyssais/brew,DomT4/brew,maxim-belkin/brew,MikeMcQuaid/brew,Homebrew/brew,MikeMcQuaid/brew,mgrimes/brew,zmwangx/brew,EricFromCanada/brew,alyssais/brew,reelsense/brew,alyssais/brew,muellermartin/dist,gregory-nisbet/brew,DomT4/brew,claui/brew,JCount/brew,EricFromCanada/brew,rwhogg/brew,EricFromCanada/brew,tonyg/homebrew,JCount/brew,rwhogg/brew,palxex/brew,mistydemeo/homebrew,maxim-belkin/brew,zmwangx/brew,EricFromCanada/brew,maxim-belkin/brew,rwhogg/brew,gordonmcshane/homebrew,Homebrew/brew,ilovezfs/brew,tonyg/homebrew,mistydemeo/homebrew,muellermartin/dist,aw1621107/brew,aw1621107/brew,MikeMcQuaid/brew,mistydemeo/homebrew,aw1621107/brew,mgrimes/brew,mgrimes/brew,claui/brew,claui/brew,sjackman/homebrew,ilovezfs/brew,ilovezfs/brew,hanxue/linuxbrew,AnastasiaSulyagina/brew,jmsundar/brew,DomT4/brew,konqui/brew,toonetown/homebrew,vitorgalvao/brew,Homebrew/brew,toonetown/homebrew