1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/pytest-helpers-namespace/default.nix b/nixpkgs/pkgs/development/python-modules/pytest-helpers-namespace/default.nix
index 7ac3fdc47f28..6d1c3cf4f136 100644
--- a/nixpkgs/pkgs/development/python-modules/pytest-helpers-namespace/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pytest-helpers-namespace/default.nix
@@ -11,6 +11,7 @@
 buildPythonPackage rec {
   pname = "pytest-helpers-namespace";
   version = "2021.12.29";
+  format = "setuptools";
   disabled = isPy27;
 
   src = fetchPypi {