anchor.diff:      owner = "Qiskit";
       repo = "qiskit-aer";
       rev = version;
  -    sha256 = "sha256-COvJCj18qRNQJUXKrtlYJQGLjna44IgtNZeNVJJaIHg=";
  +    sha256 = "sha256-mf+Pgw/daFkt1bvqSeYzlO/Sd2F2MtwZcLr+h1u+eb0=";
     };
   
     postPatch = ''
  
positive.code:     cvxpy
      cython  # generates some cython files at runtime that need to be cython-ized
      numpy
    ];
  
    preBuild = ''
  
negative.code: 
  buildPythonPackage rec {
    pname = "qiskit-aer";
    version = "0.10.4";
    format = "pyproject";
  
    disabled = pythonOlder "3.6";
  