From b1238a62d8a3973e283ee341e9321c18e8706137 Mon Sep 17 00:00:00 2001
From: "dudepls[bot]" <323171535+dudepls[bot]@users.noreply.github.com>
Date: Mon, 31 Aug 2026 19:57:21 +0000
Subject: [PATCH] fix(types): narrow metadata value to str in
 _first_metadata_value

Newer boto3-stubs (>=1.40 floor) types Object metadata values as Any, tripping mypy no-any-return. Narrow with isinstance(value, str).
---
 src/deltaglider/client_operations/stats.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/deltaglider/client_operations/stats.py b/src/deltaglider/client_operations/stats.py
index bf4c28c..74e9de5 100644
--- a/src/deltaglider/client_operations/stats.py
+++ b/src/deltaglider/client_operations/stats.py
@@ -40,7 +40,7 @@ def _first_metadata_value(metadata: dict[str, Any], *keys: str) -> str | None:
     """Return the first non-empty metadata value matching the provided keys."""
     for key in keys:
         value = metadata.get(key)
-        if value not in (None, ""):
+        if isinstance(value, str) and value:
             return value
     return None