{ lib, buildPythonPackage, fetchPypi, importlib-metadata, joblib, llvmlite, numba, scikit-learn, scipy, setuptools, pytestCheckHook, pythonOlder, }: buildPythonPackage rec { pname = "pynndescent"; version = "0.5.12"; pyproject = true; disabled = pythonOlder "3.6"; src = fetchPypi { inherit pname version; hash = "sha256-BzYpH8u+39Xgo6KA9xpj+Osvi9lnDUwLUawbTQga33A="; }; nativeBuildInputs = [ setuptools ]; propagatedBuildInputs = [ joblib llvmlite numba scikit-learn scipy ] ++ lib.optionals (pythonOlder "3.8") [ importlib-metadata ]; nativeCheckInputs = [ pytestCheckHook ]; pythonImportsCheck = [ "pynndescent" ]; meta = with lib; { description = "Nearest Neighbor Descent"; homepage = "https://github.com/lmcinnes/pynndescent"; license = licenses.bsd2; maintainers = with maintainers; [ mic92 ]; }; }