anchor.diff:      owner = "Qiskit";
       repo = "qiskit-ignis";
       rev = version;
  -    sha256 = "0sy9qpw0jqirsk9y61j5kr18jrw1wa812n7y98fjj6w668rrv560";
  +    sha256 = "07mxhaknkp121xm6mgrpcrbj9qw6j924ra3k0s6vr8qgvfcxvh0y";
     };
   
     propagatedBuildInputs = [
  
positive.code: , scikitlearn
  , scipy
    # Check Inputs
  , ddt
  , pytestCheckHook
  , qiskit-aer
  }:
  
  buildPythonPackage rec {
    pname = "qiskit-ignis";
    version = "0.3.3";
  
    disabled = pythonOlder "3.6";
  
  
negative.code:   dontUseSetuptoolsCheck = true;
    preCheck = "export HOME=$TMPDIR";
    checkInputs = [
      pytestCheckHook
      ddt
      pyfakefs
      qiskit-aer
    ];
    disabledTests = [
      "test_tensored_meas_cal_on_circuit" # Flaky test, occasionally returns result outside bounds
      "test_qv_fitter"  # execution hangs, ran for several minutes
    ];
  
    meta = with lib; {
      description = "Qiskit tools for quantum hardware verification, noise characterization, and error correction";
      homepage = "https://qiskit.org/ignis";
      downloadPage = "https://github.com/QISKit/qiskit-ignis/releases";
      changelog = "https://qiskit.org/documentation/release_notes.html";
      license = licenses.asl20;
      maintainers = with maintainers; [ drewrisinger ];
    };
  