anchor.diff:  
     pythonImportsCheck = [
       "qiskit"
  -    "qiskit.transpiler.passes.routing.cython.stochastic_swap.swap_trial"
  +    "qiskit.pulse"
     ];
   
     disabledTestPaths = [
  
positive.code: , retworkx
  , scipy
  , scikit-quant ? null
  , stevedore
  , symengine
  , sympy
  
negative.code: 
  buildPythonPackage rec {
    pname = "qiskit-terra";
    version = "0.20.0";
  
    disabled = pythonOlder "3.7";
  
    src = fetchFromGitHub {
      owner = "qiskit";
      repo = pname;
      rev = version;
      sha256 = "sha256-/t87IgazpJlfd8NT2Pkn5b6/Ut104DcJEFCubQ/bBiw=";
    };
  
    nativeBuildInputs = [ setuptools-rust ] ++ (with rustPlatform; [ rust.rustc rust.cargo cargoSetupHook ]);
  
    cargoDeps = rustPlatform.fetchCargoTarball {
      inherit src;
      name = "${pname}-${version}";
      sha256 = "sha256-tNiBXn32g1PTuTmKNXSac+4PLSc1Ao9n+oAMfvVYR30=";
    };
  
    propagatedBuildInputs = [
      dill
  