From 3b77eebc1b0edcd452523936de626d3837b646c2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fabian=20M=C3=B6ller?= <fabianm88@gmail.com>
Date: Sat, 14 Sep 2019 21:15:20 +0200
Subject: [PATCH] nbformat: fix darwin build

---
 pkgs/development/python-modules/nbformat/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/python-modules/nbformat/default.nix b/pkgs/development/python-modules/nbformat/default.nix
index 8b16ffb7e32..fbc71202d28 100644
--- a/pkgs/development/python-modules/nbformat/default.nix
+++ b/pkgs/development/python-modules/nbformat/default.nix
@@ -29,6 +29,9 @@ buildPythonPackage rec {
     export HOME=tmp
   '';
 
+  # Some of the tests use localhost networking.
+  __darwinAllowLocalNetworking = true;
+
   meta = {
     description = "The Jupyter Notebook format";
     homepage = https://jupyter.org/;