anchor.diff:      owner = "Qiskit";
       repo = "qiskit-aer";
       rev = version;
  -    hash = "sha256-7NWM7qpMQ3vA6p0dhEPnkBjsPMdhceYTYcAD4tsClf0=";
  +    sha256 = "sha256-SAJjU2zYz6UabOPV1KI2JB7CbJfUJcjbPKbo6iiCk/g=";
     };
   
  -  patches = [
  -    (fetchpatch {
  -      # https://github.com/Qiskit/qiskit-aer/pull/1250
  -      name = "qiskit-aer-pr-1250-native-cmake_dl_libs.patch";
  -      url = "https://github.com/Qiskit/qiskit-aer/commit/2bf04ade3e5411776817706cf82cc67a3b3866f6.patch";
  -      sha256 = "0ldwzxxfgaad7ifpci03zfdaj0kqj0p3h94qgshrd2953mf27p6z";
  -    })
  -  ];
  -  # Remove need for cmake python package
  -  # pybind11 shouldn't be an install requirement, just build requirement.
     postPatch = ''
       substituteInPlace setup.py \
         --replace "'cmake!=3.17,!=3.17.0'," "" \
  -      --replace "'pybind11>=2.6'" ""
  +      --replace "'pybind11', min_version='2.6'" "'pybind11'" \
  +      --replace "pybind11>=2.6" "pybind11" \
  +      --replace "scikit-build>=0.11.0" "scikit-build" \
  +      --replace "min_version='0.11.0'" ""
     '';
   
     nativeBuildInputs = [
  
positive.code:     "_144"
      "test_sparse_output_probabilities"
      "test_reset_2_qubit"
    ];
    checkInputs = [
      pytestCheckHook
  
negative.code: , fixtures
  , pytest-timeout
  , qiskit-terra
  , setuptools
  , testtools
  }:
  
  buildPythonPackage rec {
    pname = "qiskit-aer";
    version = "0.9.1";
    format = "pyproject";
  
    disabled = pythonOlder "3.6";
  