diff --git a/pkgs/development/python-modules/goocalendar/default.nix b/pkgs/development/python-modules/goocalendar/default.nix
index 2a42a775f3d6..a9d69447c2ce 100644
--- a/pkgs/development/python-modules/goocalendar/default.nix
+++ b/pkgs/development/python-modules/goocalendar/default.nix
@@ -1,11 +1,11 @@
 { lib
-, fetchPypi
 , buildPythonPackage
-, pkg-config
-, gtk3
+, fetchPypi
 , gobject-introspection
-, pygobject3
 , goocanvas2
+, gtk3
+, pkg-config
+, pygobject3
 , pythonOlder
  }:
 
@@ -39,6 +39,10 @@ buildPythonPackage rec {
   # No upstream tests available
   doCheck = false;
 
+  pythonImportsCheck = [
+    "goocalendar"
+  ];
+
   meta = with lib; {
     description = "A calendar widget for GTK using PyGoocanvas";
     homepage = "https://goocalendar.tryton.org/";