From 1a72794f5b2cfc5b9affd07d6b915f6458db59df Mon Sep 17 00:00:00 2001
From: Takashi Kajinami <kajinamit@oss.nttdata.com>
Date: Wed, 3 Dec 2025 23:13:19 +0900
Subject: [PATCH] Delay string interpolations at logging calls

This is a general best practice which brings (slight) performance
improvements and also structured logging.

Enable the hacking check to enforce it.

Change-Id: I235094292542e56aab17ec2153c6a051542dae9d
Signed-off-by: Takashi Kajinami <kajinamit@oss.nttdata.com>
---
 tox.ini | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tox.ini b/tox.ini
index 50b4c85b6..a8175f82a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -68,6 +68,8 @@ commands = {posargs}
 [flake8]
 builtins = _
 exclude = .venv,.tox,dist,doc,*egg,.git,build,tools
+# H904: Delay string interpolations at logging calls
+enable-extensions = H904
 ignore = E305,E402,E721,E731,E741,W503,W504
 
 [hacking]