From f9a2b341a9111d191440ee61b812f5cc5a43f276 Mon Sep 17 00:00:00 2001
From: Rob Berwick <rob.berwick@gmail.com>
Date: Sun, 17 Nov 2024 12:41:35 +0000
Subject: [PATCH] fix: Default serial param to empty string

When doing `find_by_serial`, default the `serial` param to an empty string, not None.
---
 src/blinkstick/blinkstick.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/blinkstick/blinkstick.py b/src/blinkstick/blinkstick.py
index a236a6e..bb80731 100644
--- a/src/blinkstick/blinkstick.py
+++ b/src/blinkstick/blinkstick.py
@@ -1439,7 +1439,8 @@ def find_first() -> BlinkStick | None:
 
     return None
 
-def find_by_serial(serial: str | None = None) -> BlinkStick | None:
+
+def find_by_serial(serial: str = "") -> BlinkStick | None:
     """
     Find BlinkStick backend based on serial number.