From 0c7bf7956da801632d341605d75e401860b41847 Mon Sep 17 00:00:00 2001
From: Stefan Allius <stefan.allius@t-online.de>
Date: Tue, 15 Oct 2024 21:25:09 +0200
Subject: [PATCH] define __slots__ for class ByteFifo

---
 app/src/byte_fifo.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/app/src/byte_fifo.py b/app/src/byte_fifo.py
index af9cb09..27d2512 100644
--- a/app/src/byte_fifo.py
+++ b/app/src/byte_fifo.py
@@ -7,6 +7,8 @@ else:  # pragma: no cover
 
 class ByteFifo:
     """ a byte FIFO buffer with trigger callback """
+    __slots__ = ('__buf', '__trigger_cb')
+
     def __init__(self):
         self.__buf = bytearray()
         self.__trigger_cb = None