1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/dockerspawner/default.nix b/nixpkgs/pkgs/development/python-modules/dockerspawner/default.nix
index bd8af6391a43..7023af73f1df 100644
--- a/nixpkgs/pkgs/development/python-modules/dockerspawner/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/dockerspawner/default.nix
@@ -9,6 +9,7 @@
 buildPythonPackage rec {
   pname = "dockerspawner";
   version = "12.1.0";
+  format = "setuptools";
 
   src = fetchPypi {
     inherit pname version;