{ lib, buildPythonPackage, fetchPypi , pytest, heapdict, pythonOlder }: buildPythonPackage rec { pname = "zict"; version = "2.2.0"; src = fetchPypi { inherit pname version; hash = "sha256-1zZsLiKTMUES3PJDIQhCime5J7AABWGf7vwxDRLYM/M="; }; disabled = pythonOlder "3.6"; buildInputs = [ pytest ]; propagatedBuildInputs = [ heapdict ]; meta = with lib; { description = "Mutable mapping tools."; homepage = "https://github.com/dask/zict"; license = licenses.bsd3; maintainers = with maintainers; [ teh ]; }; }