From 1b628fb02322f1cf6ada397361e19fde55834f85 Mon Sep 17 00:00:00 2001
From: Joerg Thalheim <joerg@thalheim.io>
Date: Mon, 25 Sep 2017 21:42:20 +0100
Subject: [PATCH] celery: fix eventlet tests

---
 pkgs/top-level/python-packages.nix | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index d2f5fc934d5..efd5e6d9039 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2606,11 +2606,13 @@ in {
     # https://github.com/celery/celery/pull/3736#issuecomment-274155454 from upstream
     patches = [ ../development/python-modules/celery/fix_endless_python3.6_loop_logger_isa.patch ];
 
-    ## importing of eventlet fails because of:
-    # _proto_tcp = socket.getprotobyname('tcp')
-    ## raises an exception in the sandbox
+    # make /etc/protocols accessible to fix socket.getprotobyname('tcp') in sandbox
     preCheck = ''
-      rm ./t/unit/concurrency/test_eventlet.py
+      export NIX_REDIRECTS=/etc/protocols=${pkgs.iana-etc}/etc/protocols \
+        LD_PRELOAD=${pkgs.libredirect}/lib/libredirect.so
+    '';
+    postCheck = ''
+      unset NIX_REDIRECTS LD_PRELOAD
     '';
 
     buildInputs = with self; [ pytest case ];