{ buildPythonPackage, fetchPypi, python , pytest, pytestcov }: buildPythonPackage rec { pname = "plaster"; version = "1.0"; name = "${pname}-${version}"; src = fetchPypi { inherit pname version; sha256 = "8351c7c7efdf33084c1de88dd0f422cbe7342534537b553c49b857b12d98c8c3"; }; checkPhase = '' py.test ''; checkInputs = [ pytest pytestcov ]; }