anchor.diff:      buildInputs = with self; [
        requests-mock
       ];
  +    patchPhase = ''
  +      sed -i 's@python@${python.interpreter}@' .testr.conf
  +    '';
   
       meta = with stdenv.lib; {
         homepage = "http://wiki.openstack.org/OpenStackClient";
  
positive.code:    ];
  
     checkPhase = ''
       python -m subunit.run discover -t ./ .
     '';
  
     meta = with stdenv.lib; {
  
negative.code:     buildInputs = with self; [
        oslosphinx oslotest requests-mock
      ];
  
      patchPhase = ''
        sed -i 's@python@${python.interpreter}@' .testr.conf
      '';
    };
  
  
  