diff --git a/pkgs/development/python-modules/cherrypy/default.nix b/pkgs/development/python-modules/cherrypy/default.nix
index ee502767a117..31ee288bbc22 100644
--- a/pkgs/development/python-modules/cherrypy/default.nix
+++ b/pkgs/development/python-modules/cherrypy/default.nix
@@ -68,6 +68,7 @@ buildPythonPackage rec {
 
   pytestFlags = [
     "-Wignore::DeprecationWarning"
+    "-Wignore::pytest.PytestUnraisableExceptionWarning"
   ];
 
   disabledTests = [