From 9df7b66b807a6737c93e95a6e898fad5caadf3bb Mon Sep 17 00:00:00 2001
From: Jake Charman <jake@jakecharman.co.uk>
Date: Sat, 7 Jun 2025 17:30:03 +0100
Subject: [PATCH] fix warning

---
 geoip-block.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/geoip-block.py b/geoip-block.py
index 5cd45fa..86fee21 100644
--- a/geoip-block.py
+++ b/geoip-block.py
@@ -16,7 +16,7 @@ class Main():
 
     def run_sys_cmd(self, cmd):
         out, err = subprocess.Popen(cmd, stdin=None, stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
-        if err.decode() is not '':
+        if err.decode() != '':
             raise SystemError(err.decode())
         return out.decode()