diff --git a/pkgs/development/python-modules/gviz-api/default.nix b/pkgs/development/python-modules/gviz-api/default.nix
index 33b33ca8b059..8c43df04f95f 100644
--- a/pkgs/development/python-modules/gviz-api/default.nix
+++ b/pkgs/development/python-modules/gviz-api/default.nix
@@ -10,6 +10,8 @@ buildPythonPackage (finalAttrs: {
   version = "1.10.0";
   format = "wheel";
 
+  __structuredAttrs = true;
+
   src = fetchPypi {
     inherit (finalAttrs) pname version;
     format = "wheel";