From 2bcc99a89306a319de2662347d5550a859554a7c Mon Sep 17 00:00:00 2001
From: Maximilian Giller <m.giller.dev@gmail.com>
Date: Sun, 3 Mar 2024 16:17:57 +0100
Subject: [PATCH] sanity check for pattern parser

---
 src/handler/matrix_display.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/handler/matrix_display.py b/src/handler/matrix_display.py
index 429f77f..db79cf6 100644
--- a/src/handler/matrix_display.py
+++ b/src/handler/matrix_display.py
@@ -70,7 +70,7 @@ class MatrixDisplay:
 
     async def pattern(self, pattern: str = "0,1", off_ms: int = 500, on_ms: int = 500):
         # Parse
-        pattern_steps = [step.strip() == "1" for step in pattern.split(",")]
+        pattern_steps = [step.strip() == "1" for step in pattern.split(",") if step]
         # Execute
         for step in pattern_steps:
             if step: