anchor.diff:      owner = "Qiskit";
       repo = "qiskit-aer";
       rev = version;
  -    sha256 = "07l0wavdknx0y4vy0hwgw24365sg4nb6ygl3lpa098np85qgyn4y";
  +    sha256 = "sha256-o6c1ZcGFZ3pwinzMTif1nqF29Wq0Nog1++ZoJGuiKxo=";
     };
   
     nativeBuildInputs = [
  
positive.code: , blas
  , catch2
  , cmake
  , cython
  , fmt
  , muparserx
  
negative.code: 
  buildPythonPackage rec {
    pname = "qiskit-aer";
    version = "0.7.4";
  
    disabled = pythonOlder "3.6";
  
  