From 59579c477d2d8a780c8cc5d79041d110f432d5b4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Benito=20L=C3=B3pez?= <belono@users.noreply.github.com>
Date: Mon, 25 Sep 2023 18:45:33 +0200
Subject: [PATCH] Update src/escpos/printer/lp.py

Add return type

Co-authored-by: Patrick Kanzler <4189642+patkan@users.noreply.github.com>
---
 src/escpos/printer/lp.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/escpos/printer/lp.py b/src/escpos/printer/lp.py
index 3d9440b..028f9a7 100644
--- a/src/escpos/printer/lp.py
+++ b/src/escpos/printer/lp.py
@@ -155,7 +155,7 @@ class LP(Escpos):
         self.device.terminate()
         self._device = False
 
-    def flush(self):
+    def flush(self) -> None:
         """End line and wait for new commands."""
         if self.device.stdin.writable():
             self.device.stdin.write(b"\n")