From 11474723e22bc6b93861579381d8d2623c1041d1 Mon Sep 17 00:00:00 2001
From: Alexandre Detiste <alexandre.detiste@gmail.com>
Date: Wed, 13 Dec 2023 21:29:25 +0100
Subject: [PATCH] lp.py: reassure mypy

---
 src/escpos/printer/lp.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/escpos/printer/lp.py b/src/escpos/printer/lp.py
index f928d38..e8b7bcf 100644
--- a/src/escpos/printer/lp.py
+++ b/src/escpos/printer/lp.py
@@ -188,6 +188,8 @@ class LP(Escpos):
         :param msg: arbitrary code to be printed
         :type msg: bytes
         """
+        assert self.device is not None
+        assert self.device.stdin is not None
         if self.device.stdin.writable():
             self.device.stdin.write(msg)
         else: