anchor.diff:  
     pytestFlagsArray = [
       "--ignore=test/randomized/test_transpiler_equivalence.py" # collection requires qiskit-aer, which would cause circular dependency
  +    "--ignore=test/python/classical_function_compiler/"
     ];
   
     # Moves tests to $PACKAGEDIR/test. They can't be run from /build because of finding
  
positive.code: 
  buildPythonPackage rec {
    pname = "qiskit-terra";
    version = "0.15.1";
  
    disabled = pythonOlder "3.5";
  
    src = fetchFromGitHub {
      owner = "Qiskit";
      repo = pname;
      rev = version;
      sha256 = "1p7y36gj3675dmp05nwi0m9nc7h0bwyimir3ncf9wbkx3crrh99c";
    };
  
    nativeBuildInputs = [ cython ];
  
negative.code:     nbconvert
      pytestCheckHook
    ];
  
    pythonImportsCheck = [
      "qiskit"
  