From 43b737c4a2d6fc36744981fd827e6baede7ad7df Mon Sep 17 00:00:00 2001
From: tronikos <tronikos@users.noreply.github.com>
Date: Thu, 1 May 2025 13:47:48 -0700
Subject: [PATCH] Pass empty set instead of empty dict to get_last_statistics
 (#144022)

---
 homeassistant/components/opower/coordinator.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/homeassistant/components/opower/coordinator.py b/homeassistant/components/opower/coordinator.py
index d0e95b27ec3..adb32d914ee 100644
--- a/homeassistant/components/opower/coordinator.py
+++ b/homeassistant/components/opower/coordinator.py
@@ -349,7 +349,7 @@ class OpowerCoordinator(DataUpdateCoordinator[dict[str, Forecast]]):
                 1,
                 target_id,
                 True,
-                {},
+                set(),
             )
             if not last_target_stat:
                 need_migration_source_ids.add(source_id)