diff --git a/pkgs/development/python-modules/mwparserfromhell/default.nix b/pkgs/development/python-modules/mwparserfromhell/default.nix
index 9e2089ad3df2..8c29971afe79 100644
--- a/pkgs/development/python-modules/mwparserfromhell/default.nix
+++ b/pkgs/development/python-modules/mwparserfromhell/default.nix
@@ -1,6 +1,8 @@
 { lib
 , buildPythonPackage
 , fetchPypi
+, pytestCheckHook
+, pytestrunner
 }:
 
 buildPythonPackage rec {
@@ -12,6 +14,11 @@ buildPythonPackage rec {
     sha256 = "d3f74c0101f81ff73c61985b67f2e7048a30dc5f6a578ea1544e69133988d874";
   };
 
+  checkInputs = [
+    pytestCheckHook
+    pytestrunner
+  ];
+
   meta = with lib; {
     description = "MWParserFromHell is a parser for MediaWiki wikicode";
     homepage = "https://mwparserfromhell.readthedocs.io/en/latest/";