python.pkgs.tornado: fix optional dependency

This commit is contained in:
Frederik Rietdijk 2018-01-24 14:00:42 +01:00
parent e9794d5a38
commit 18275c60ff

@ -6,6 +6,7 @@
, backports_ssl_match_hostname
, certifi
, singledispatch
, pythonOlder
}:
buildPythonPackage rec {
@ -13,7 +14,8 @@ buildPythonPackage rec {
version = "4.5.3";
name = "${pname}-${version}";
propagatedBuildInputs = [ backports_abc backports_ssl_match_hostname certifi singledispatch ];
propagatedBuildInputs = [ backports_abc certifi singledispatch ]
++ lib.optional (pythonOlder "3.5") backports_ssl_match_hostname;
# We specify the name of the test files to prevent
# https://github.com/NixOS/nixpkgs/issues/14634