1 files changed, 2 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/terminado/default.nix b/nixpkgs/pkgs/development/python-modules/terminado/default.nix
index 1031ff5b1423..3c75305e9078 100644
--- a/nixpkgs/pkgs/development/python-modules/terminado/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/terminado/default.nix
@@ -31,12 +31,13 @@ buildPythonPackage rec {
     "terminado"
   ];
 
+  __darwinAllowLocalNetworking = true;
+
   nativeCheckInputs = [
     pytest-timeout
     pytestCheckHook
   ];
 
-
   meta = with lib; {
     description = "Terminals served by Tornado websockets";
     homepage = "https://github.com/jupyter/terminado";