diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 6e5fef139612..db0ef635e9a5 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6990,6 +6990,12 @@ in {
   else
     callPackage ../development/python-modules/tornado/5.nix { };
 
+  # Used by circus and grab-site, 2020-08-29
+  tornado_4 = callPackage ../development/python-modules/tornado/4.nix { };
+
+  # Used by luigi, 2020-08-29
+  tornado_5 = callPackage ../development/python-modules/tornado/5.nix { };
+
   towncrier = callPackage ../development/python-modules/towncrier { inherit (pkgs) git; };
 
   tox = callPackage ../development/python-modules/tox { };