simplify cached_formula_json_file check
simplify cached_formula_json_file check

nandub/brew,JCount/brew,Homebrew/brew,MikeMcQuaid/brew,JCount/brew,JCount/brew,MikeMcQuaid/brew,Homebrew/brew,MikeMcQuaid/brew,Homebrew/brew,Homebrew/brew,JCount/brew,MikeMcQuaid/brew,nandub/brew,nandub/brew,nandub/brew