From aa2e5cd819207d2db612dbde2f5952354864933f Mon Sep 17 00:00:00 2001
From: Alexandre Detiste <alexandre.detiste@gmail.com>
Date: Wed, 13 Dec 2023 22:08:47 +0100
Subject: [PATCH] add missing close() method in metaclass

---
 src/escpos/escpos.py                    | 4 ++++
 test/test_printers/test_printer_cups.py | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/escpos/escpos.py b/src/escpos/escpos.py
index 8cab39f..31e0b9a 100644
--- a/src/escpos/escpos.py
+++ b/src/escpos/escpos.py
@@ -154,6 +154,10 @@ class Escpos(object, metaclass=ABCMeta):
         """Open a printer device/connection."""
         pass
 
+    def close(self):
+        """Close a printer device/connection."""
+        pass
+
     @abstractmethod
     def _raw(self, msg: bytes) -> None:
         """Send raw data to the printer.
diff --git a/test/test_printers/test_printer_cups.py b/test/test_printers/test_printer_cups.py
index 1b9cb43..eb4a6f5 100644
--- a/test/test_printers/test_printer_cups.py
+++ b/test/test_printers/test_printer_cups.py
@@ -173,4 +173,4 @@ def test_read_no_device(cupsprinter) -> None:
     THEN check the return value is b''
     """
     cupsprinter.device = None
-    assert cupsprinter._read() == b''
+    assert cupsprinter._read() == b""