diff --git a/pkgs/development/python-modules/pytest-black/default.nix b/pkgs/development/python-modules/pytest-black/default.nix
index 20b2483c9d16..6f23c00baf36 100644
--- a/pkgs/development/python-modules/pytest-black/default.nix
+++ b/pkgs/development/python-modules/pytest-black/default.nix
@@ -18,6 +18,8 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [ black pytest toml ];
 
+  # does not contain tests
+  doCheck = false;
   pythonImportsCheck = [ "pytest_black" ];
 
   meta = with lib; {