From b8df14aec0a7ee98eb54dd8e476910cce7718f0c Mon Sep 17 00:00:00 2001
From: Brian Leung <leungbk@posteo.net>
Date: Sun, 12 Jun 2022 20:23:19 -0700
Subject: [PATCH] tests/terminal-emulators: comply with mypy typecheck

Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
---
 nixos/tests/terminal-emulators.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/nixos/tests/terminal-emulators.nix b/nixos/tests/terminal-emulators.nix
index 6ea0f1c18725..c724608b9155 100644
--- a/nixos/tests/terminal-emulators.nix
+++ b/nixos/tests/terminal-emulators.nix
@@ -197,6 +197,7 @@ in mapAttrs (name: { pkg, executable ? name, cmd ? "SHELL=$command ${executable}
 
     with subtest("have the terminal display a colour"):
         # We run this command in the background
+        assert machine.shell is not None
         machine.shell.send(b"(run-in-this-term display-colour |& systemd-cat -t terminal) &\n")
 
         with machine.nested("Waiting for the screen to have pink on it:"):