anchor.diff:      hash = "sha256-V7bx/yO0ZoQ4AqaBb0trvGiWtq0F1ld6/udiK+OilTg=";
     };
   
  +  nativeBuildInputs = [
  +    installShellFiles
  +  ];
  +
     propagatedBuildInputs = [
       pbr
       python-keystoneclient
  
positive.code:   ];
  
    postInstall = ''
      install -Dm644 tools/swift.bash_completion $out/share/bash_completion.d/swift
    '';
  
    checkPhase = ''
  
negative.code: { lib
  , buildPythonApplication
  , fetchPypi
  , installShellFiles
  , mock
  , openstacksdk
  , pbr
  