From c4eb5ed6b0e1d0a2e4752f52f928e42f974297d5 Mon Sep 17 00:00:00 2001
From: Frederik Rietdijk <fridh@fridh.nl>
Date: Sat, 29 Aug 2020 14:47:43 +0200
Subject: [PATCH] circus: fix eval

---
 pkgs/tools/networking/circus/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/tools/networking/circus/default.nix b/pkgs/tools/networking/circus/default.nix
index 83395fc254d..ea03f8878b2 100644
--- a/pkgs/tools/networking/circus/default.nix
+++ b/pkgs/tools/networking/circus/default.nix
@@ -4,11 +4,11 @@ let
   python = python3.override {
     self = python;
     packageOverrides = self: super: {
-      tornado = tornado_4;
+      tornado = super.tornado_4;
     };
   };
 
-  inherit (python.pkgs) buildPythonApplication fetchPypi iowait psutil pyzmq tornado_4 mock six;
+  inherit (python.pkgs) buildPythonApplication fetchPypi iowait psutil pyzmq tornado mock six;
 in
 
 buildPythonApplication rec {