1 files changed, 1 insertions, 2 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/poster3/default.nix b/nixpkgs/pkgs/development/python-modules/poster3/default.nix
index 269995717aa4..09e8055bdd91 100644
--- a/nixpkgs/pkgs/development/python-modules/poster3/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/poster3/default.nix
@@ -15,8 +15,7 @@ buildPythonPackage rec {
   disabled = !isPy3k;
 
   src = fetchPypi {
-    inherit pname version;
-    format = "wheel";
+    inherit pname version format;
     python = "py3";
     sha256 = "1b27d7d63e3191e5d7238631fc828e4493590e94dcea034e386c079d853cce14";
   };