{ lib, buildPythonPackage, fetchPypi, python }: buildPythonPackage rec { pname = "pytz"; version = "2018.7"; src = fetchPypi { inherit pname version; sha256 = "31cb35c89bd7d333cd32c5f278fca91b523b0834369e757f4c5641ea252236ca"; }; checkPhase = '' ${python.interpreter} -m unittest discover -s pytz/tests ''; meta = with lib; { description = "World timezone definitions, modern and historical"; homepage = "http://pythonhosted.org/pytz"; license = licenses.mit; maintainers = with maintainers; [ dotlambda ]; }; }