From 848cc3417ff6af7d53f59048c34e39c59cbd7260 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 18:44:03 +0200
Subject: [PATCH] Update src/escpos/printer/file.py

Add return type

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

diff --git a/src/escpos/printer/file.py b/src/escpos/printer/file.py
index a8933ce..c2f932c 100644
--- a/src/escpos/printer/file.py
+++ b/src/escpos/printer/file.py
@@ -94,7 +94,7 @@ class File(Escpos):
         if self.auto_flush:
             self.flush()
 
-    def close(self):
+    def close(self) -> None:
         """Close system file."""
         if not self._device:
             return