diff --git a/pkgs/development/python-modules/pycfmodel/default.nix b/pkgs/development/python-modules/pycfmodel/default.nix
index a92578c6ea0b..4abf2d44196e 100644
--- a/pkgs/development/python-modules/pycfmodel/default.nix
+++ b/pkgs/development/python-modules/pycfmodel/default.nix
@@ -44,7 +44,6 @@ buildPythonPackage rec {
     "test_loose_ip"
     "test_extra_fields_not_allowed_s3_bucket"
     "test_raise_error_if_invalid_fields_in_resource"
-    ""
   ];
 
   pythonImportsCheck = [ "pycfmodel" ];