{ lib, buildPythonPackage, fetchPypi, isPy27 , mock , nbformat , pytest , pyyaml }: buildPythonPackage rec { pname = "jupytext"; version = "1.2.4"; src = fetchPypi { inherit pname version; sha256 = "490e1127033fceed5c49f7b1cde6aabffb059fe0a778a0e8b10d28d9eecef1f0"; }; propagatedBuildInputs = [ pyyaml nbformat ] ++ lib.optionals isPy27 [ mock ]; # why they put it in install_requires, who knows checkInputs = [ pytest ]; # requires test notebooks which are not shipped with the pypi release # also, pypi no longer includes tests doCheck = false; checkPhase = '' pytest ''; meta = with lib; { description = "Jupyter notebooks as Markdown documents, Julia, Python or R scripts"; homepage = https://github.com/mwouts/jupytext; license = licenses.mit; maintainers = with maintainers; [ timokau ]; }; }