anchor.diff:    ];
   
     checkInputs = [
  +    eventlet
       oslotest
       pytestCheckHook
     ];
  
positive.code:   src = fetchPypi {
      pname = "oslo.log";
      inherit version;
      hash = "sha256-c6tyNKii1QvfUmyHTfocsrEIO6+a2VvC64r1YkidTQE=";
    };
  
    propagatedBuildInputs = [
  
negative.code: , stdenv
  , buildPythonPackage
  , fetchPypi
  , eventlet
  , oslo-config
  , oslo-context
  , oslo-serialization
  