diff --git a/pkgs/development/python-modules/kubernetes/default.nix b/pkgs/development/python-modules/kubernetes/default.nix
index bb3bd33e469e..d91fda46f5a9 100644
--- a/pkgs/development/python-modules/kubernetes/default.nix
+++ b/pkgs/development/python-modules/kubernetes/default.nix
@@ -36,6 +36,11 @@ buildPythonPackage rec {
     hash = "sha256-NKrxv5a5gkgpNG7yViTKYBYnU249taWl6fkPJa7/Rzo=";
   };
 
+  postPatch = ''
+    substituteInPlace ./kubernetes/base/config/kube_config_test.py \
+      --replace-fail assertEquals assertEqual
+  '';
+
   propagatedBuildInputs = [
     adal
     certifi