{ lib, buildPythonPackage, fetchPypi, hatch-fancy-pypi-readme, hatch-vcs, hatchling, numpy, pytestCheckHook, pythonOlder, }: buildPythonPackage rec { version = "3.4.0"; pname = "opt-einsum"; pyproject = true; disabled = pythonOlder "3.8"; src = fetchPypi { pname = "opt_einsum"; inherit version; hash = "sha256-lspy8biG0UgkE0h4NJgZTFd/owqPqsEIWGsU8bpEc6w="; }; build-system = [ hatch-fancy-pypi-readme hatch-vcs hatchling ]; dependencies = [ numpy ]; nativeCheckInputs = [ pytestCheckHook ]; pythonImportsCheck = [ "opt_einsum" ]; meta = with lib; { description = "Optimizing NumPy's einsum function with order optimization and GPU support"; homepage = "https://github.com/dgasmith/opt_einsum"; license = licenses.mit; maintainers = with maintainers; [ teh ]; }; }