diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 743aa9672e8..88c7fedeee8 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -17822,7 +17822,7 @@ in {
     '';
   });
 
-  python-simple-hipchat = callPackage ../development/python-modules/python-simple-hipchat {}
+  python-simple-hipchat = callPackage ../development/python-modules/python-simple-hipchat {};
   python_simple_hipchat = python-simple-hipchat;
 
   python_keyczar = buildPythonPackage rec {