diff --git a/pkgs/development/python-modules/cardimpose/default.nix b/pkgs/development/python-modules/cardimpose/default.nix
index 2534ca7a01e1..fc4382b2af3b 100644
--- a/pkgs/development/python-modules/cardimpose/default.nix
+++ b/pkgs/development/python-modules/cardimpose/default.nix
@@ -19,6 +19,8 @@ buildPythonPackage rec {
 
   dependencies = [ pymupdf ];
 
+  pythonImportsCheck = [ "cardimpose" ];
+
   meta = {
     mainProgram = "cardimpose";
     description = "Library for imposing PDF files";