1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/ansible-vault-rw/default.nix b/nixpkgs/pkgs/development/python-modules/ansible-vault-rw/default.nix
index b5a4c7a03631..23281c3ed070 100644
--- a/nixpkgs/pkgs/development/python-modules/ansible-vault-rw/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/ansible-vault-rw/default.nix
@@ -3,6 +3,7 @@
 buildPythonPackage rec {
   pname = "ansible-vault-rw";
   version = "2.1.0";
+  format = "setuptools";
   src = fetchPypi {
     pname = "ansible-vault";
     inherit version;