anchor.diff:    dontUseSetuptoolsCheck = true;
     preCheck = "export HOME=$TMPDIR";
     checkInputs = [
  +    pytestCheckHook
       ddt
  -    pytestCheckHook
  +    pyfakefs
       qiskit-aer
     ];
  -  # Test is in test/verification/test_entanglemet.py. test fails due to out-of-date calls & bad logic with this file since qiskit-ignis#328
  -  # see qiskit-ignis#386 for all issues. Should be able to re-enable in future.
  -  disabledTests = [ "TestEntanglement" ];
  +  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 ];
     };
  
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:     owner = "Qiskit";
      repo = "qiskit-ignis";
      rev = version;
      sha256 = "07mxhaknkp121xm6mgrpcrbj9qw6j924ra3k0s6vr8qgvfcxvh0y";
    };
  
    propagatedBuildInputs = [
  