utils/pypi: downcase name prior to excluding
utils/pypi: downcase name prior to excluding

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