{ lib, buildPythonPackage, fetchPypi, python }: buildPythonPackage rec { pname = "pytz"; version = "2021.3"; src = fetchPypi { inherit pname version; sha256 = "acad2d8b20a1af07d4e4c9d2e9285c5ed9104354062f275f3fcd88dcef4f1326"; }; checkPhase = '' ${python.interpreter} -m unittest discover -s pytz/tests ''; pythonImportsCheck = [ "pytz" ]; meta = with lib; { description = "World timezone definitions, modern and historical"; homepage = "https://pythonhosted.org/pytz"; license = licenses.mit; maintainers = with maintainers; [ dotlambda ]; }; }