diff --git a/pkgs/development/python-modules/sseclient-py/default.nix b/pkgs/development/python-modules/sseclient-py/default.nix
index 805f3de39e66..aa7f8196d10f 100644
--- a/pkgs/development/python-modules/sseclient-py/default.nix
+++ b/pkgs/development/python-modules/sseclient-py/default.nix
@@ -1,8 +1,16 @@
-{ buildPythonPackage, fetchFromGitHub, lib, python }:
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, python
+, pythonOlder
+}:
 
 buildPythonPackage rec {
   pname = "sseclient-py";
   version = "1.8.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
 
   src = fetchFromGitHub {
     owner = "mpetazzoni";