style: auto-fix lint violations from enhanced ruff rules

1 files changed, 7 insertions, 6 deletions

diff --git a/shared/tests/test_db_news.py b/shared/tests/test_db_news.py
index a2c9140..c184bed 100644
--- a/shared/tests/test_db_news.py
+++ b/shared/tests/test_db_news.py
@@ -1,11 +1,12 @@
 """Tests for database news/sentiment methods. Uses in-memory SQLite."""
 
+from datetime import UTC, date, datetime
+
 import pytest
-from datetime import datetime, date, timezone
 
 from shared.db import Database
-from shared.models import NewsItem, NewsCategory
-from shared.sentiment_models import SymbolScore, MarketSentiment
+from shared.models import NewsCategory, NewsItem
+from shared.sentiment_models import MarketSentiment, SymbolScore
 
 
 @pytest.fixture
@@ -20,7 +21,7 @@ async def test_insert_and_get_news_items(db):
     item = NewsItem(
         source="finnhub",
         headline="AAPL earnings beat",
-        published_at=datetime(2026, 4, 2, 12, 0, tzinfo=timezone.utc),
+        published_at=datetime(2026, 4, 2, 12, 0, tzinfo=UTC),
         sentiment=0.8,
         category=NewsCategory.EARNINGS,
         symbols=["AAPL"],
@@ -40,7 +41,7 @@ async def test_upsert_symbol_score(db):
         policy_score=0.0,
         filing_score=0.2,
         composite=0.3,
-        updated_at=datetime(2026, 4, 2, tzinfo=timezone.utc),
+        updated_at=datetime(2026, 4, 2, tzinfo=UTC),
     )
     await db.upsert_symbol_score(score)
     scores = await db.get_top_symbol_scores(limit=5)
@@ -55,7 +56,7 @@ async def test_upsert_market_sentiment(db):
         vix=18.2,
         fed_stance="neutral",
         market_regime="neutral",
-        updated_at=datetime(2026, 4, 2, tzinfo=timezone.utc),
+        updated_at=datetime(2026, 4, 2, tzinfo=UTC),
     )
     await db.upsert_market_sentiment(ms)
     result = await db.get_latest_market_sentiment()