From 9fe81ec773973b094a5be4bcdfa5adc6608d4bbe Mon Sep 17 00:00:00 2001
From: Robert de Vries <robert.h.de.vries@gmail.com>
Date: Thu, 9 Apr 2026 20:26:42 +0200
Subject: [PATCH] Fix missing format argument in exception message.

---
 scripts/build_ffi.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/build_ffi.py b/scripts/build_ffi.py
index 68df95d..eebf399 100644
--- a/scripts/build_ffi.py
+++ b/scripts/build_ffi.py
@@ -332,7 +332,7 @@ def get_features(local_wolfssl, features):
 
     for d in include_dirs:
         if not os.path.exists(d):
-            e = "Invalid wolfSSL include dir: .".format(d)
+            e = f"Invalid wolfSSL include dir: {d}"
             raise FileNotFoundError(e)
 
         options = os.path.join(d, "wolfssl", "options.h")