language/python: update homebrew-virtualenv resource
language/python: update homebrew-virtualenv resource

MikeMcQuaid/brew,konqui/brew,Homebrew/brew,EricFromCanada/brew,EricFromCanada/brew,claui/brew,MikeMcQuaid/brew,Homebrew/brew,nandub/brew,JCount/brew,EricFromCanada/brew,nandub/brew,JCount/brew,Homebrew/brew,sjackman/homebrew,sjackman/homebrew,vitorgalvao/brew,JCount/brew,JCount/brew,vitorgalvao/brew,claui/brew,vitorgalvao/brew,EricFromCanada/brew,vitorgalvao/brew,konqui/brew,konqui/brew,claui/brew,MikeMcQuaid/brew,claui/brew,nandub/brew,sjackman/homebrew,sjackman/homebrew,konqui/brew,nandub/brew,Homebrew/brew,MikeMcQuaid/brew