{ buildPythonPackage, lib, fetchPypi, glibcLocales, isPy3k, contextvars , pythonOlder, pytest, curio }: buildPythonPackage rec { pname = "sniffio"; version = "1.1.0"; src = fetchPypi { inherit pname version; sha256 = "8e3810100f69fe0edd463d02ad407112542a11ffdc29f67db2bf3771afb87a21"; }; disabled = !isPy3k; buildInputs = [ glibcLocales ]; propagatedBuildInputs = lib.optionals (pythonOlder "3.7") [ contextvars ]; checkInputs = [ pytest curio ]; checkPhase = '' pytest ''; meta = with lib; { homepage = "https://github.com/python-trio/sniffio"; license = licenses.asl20; description = "Sniff out which async library your code is running under"; }; }