{ stdenv, buildPythonPackage, fetchPypi, pytestrunner, pytest }: buildPythonPackage rec { pname = "Cerberus"; version = "1.3.1"; src = fetchPypi { inherit pname version; sha256 = "0be48fc0dc84f83202a5309c0aa17cd5393e70731a1698a50d118b762fbe6875"; }; checkInputs = [ pytestrunner pytest ]; checkPhase = '' pytest -k 'not nested_oneofs' ''; meta = with stdenv.lib; { homepage = http://python-cerberus.org/; description = "Lightweight, extensible schema and data validation tool for Python dictionaries"; license = licenses.mit; }; }