custom-rules: Fix string printed for unmatched_exclude_lines.

laurynmm · timabbott · commit 9be0a32bf75a · 2024-10-09T15:16:13.000-07:00
diff --git a/zulint/custom_rules.py b/zulint/custom_rules.py
@@ -100,7 +100,7 @@ def check_file_for_pattern(
             ok = False
 
         if unmatched_exclude_lines:
-            print("Please remove exclusions for file {fn}: {unmatched_exclude_lines}")
+            print(f"Please remove exclusions for file {fn}: {unmatched_exclude_lines}")
 
         return ok
 
