Canonicalize `input` in `initialize`.
Canonicalize `input` in `initialize`.

MikeMcQuaid/brew,nandub/brew,EricFromCanada/brew,mahori/brew,Linuxbrew/brew,vitorgalvao/brew,DomT4/brew,reitermarkus/brew,Linuxbrew/brew,nandub/brew,maxim-belkin/brew,nandub/brew,DomT4/brew,Linuxbrew/brew,DomT4/brew,sjackman/homebrew,MikeMcQuaid/brew,vitorgalvao/brew,konqui/brew,sjackman/homebrew,EricFromCanada/brew,sjackman/homebrew,vitorgalvao/brew,Homebrew/brew,reitermarkus/brew,EricFromCanada/brew,mahori/brew,konqui/brew,Homebrew/brew,Linuxbrew/brew,mahori/brew,claui/brew,claui/brew,claui/brew,JCount/brew,maxim-belkin/brew,nandub/brew,JCount/brew,claui/brew,konqui/brew,JCount/brew,reitermarkus/brew,vitorgalvao/brew,maxim-belkin/brew,DomT4/brew,MikeMcQuaid/brew,Homebrew/brew,konqui/brew,EricFromCanada/brew,reitermarkus/brew,Homebrew/brew,sjackman/homebrew,JCount/brew,MikeMcQuaid/brew,mahori/brew