anchor.diff:  , scipy
   , sortedcontainers
   , sympy
  +, tqdm
   , typing-extensions
     # test inputs
  +, freezegun
   , pytestCheckHook
   , pytest-asyncio
   , pytest-benchmark
  
positive.code:     "--ignore=cirq/contrib/"  # requires external (unpackaged) python packages, so untested.
      "--benchmark-disable" # Don't need to run benchmarks when packaging.
    ];
    disabledTests = [
      "test_convert_to_ion_gates" # fails on some systems due to rounding error, 0.75 != 0.750...2
    ] ++ lib.optionals stdenv.isAarch64 [
      # Seem to fail due to math issues on aarch64?
      "expectation_from_wavefunction"
      "test_single_qubit_op_to_framed_phase_form_output_on_example_case"
  
negative.code: 
  buildPythonPackage rec {
    pname = "cirq";
    version = "0.10.0";
  
    disabled = pythonOlder "3.6";
  
  