1 files changed, 2 insertions, 0 deletions
diff --git a/pkgs/development/python-modules/sphinxcontrib-htmlhelp/default.nix b/pkgs/development/python-modules/sphinxcontrib-htmlhelp/default.nix
index 901132176ed9d..29a7bc9e5404f 100644
--- a/pkgs/development/python-modules/sphinxcontrib-htmlhelp/default.nix
+++ b/pkgs/development/python-modules/sphinxcontrib-htmlhelp/default.nix
@@ -17,6 +17,8 @@ buildPythonPackage rec {
   # Check is disabled due to circular dependency of sphinx
   doCheck = false;
 
+  pythonNamespaces = [ "sphinxcontrib" ];
+
   meta = with lib; {
     description = "Sphinx extension which renders HTML help files";
     homepage = "https://github.com/sphinx-doc/sphinxcontrib-htmlhelp";