{ stdenv, buildPythonPackage, fetchPypi , nose, chai, simplejson, backports_functools_lru_cache , dateutil, pytz }: buildPythonPackage rec { pname = "arrow"; version = "0.13.1"; src = fetchPypi { inherit pname version; sha256 = "6f54d9f016c0b7811fac9fb8c2c7fa7421d80c54dbdd75ffb12913c55db60b8a"; }; checkPhase = '' nosetests --cover-package=arrow ''; checkInputs = [ nose chai simplejson pytz ]; propagatedBuildInputs = [ dateutil backports_functools_lru_cache ]; postPatch = '' substituteInPlace setup.py --replace "==1.2.1" "" ''; meta = with stdenv.lib; { description = "Python library for date manipulation"; license = "apache"; maintainers = with maintainers; [ thoughtpolice ]; }; }