style: fix lint and formatting issues across news collector and shared

3 files changed, 10 insertions, 5 deletions

diff --git a/shared/tests/test_db_news.py b/shared/tests/test_db_news.py
index f13cf1e..a2c9140 100644
--- a/shared/tests/test_db_news.py
+++ b/shared/tests/test_db_news.py
@@ -1,7 +1,5 @@
 """Tests for database news/sentiment methods. Uses in-memory SQLite."""
 
-import json
-import uuid
 import pytest
 from datetime import datetime, date, timezone
 
diff --git a/shared/tests/test_sentiment_aggregator.py b/shared/tests/test_sentiment_aggregator.py
index f9277e7..a99c711 100644
--- a/shared/tests/test_sentiment_aggregator.py
+++ b/shared/tests/test_sentiment_aggregator.py
@@ -1,4 +1,5 @@
 """Tests for sentiment aggregator."""
+
 import pytest
 from datetime import datetime, timezone, timedelta
 from shared.sentiment import SentimentAggregator
@@ -35,7 +36,9 @@ def test_freshness_decay_old():
 
 def test_compute_composite():
     a = SentimentAggregator()
-    composite = a._compute_composite(news_score=0.5, social_score=0.3, policy_score=0.8, filing_score=0.2)
+    composite = a._compute_composite(
+        news_score=0.5, social_score=0.3, policy_score=0.8, filing_score=0.2
+    )
     expected = 0.5 * 0.3 + 0.3 * 0.2 + 0.8 * 0.3 + 0.2 * 0.2
     assert abs(composite - expected) < 0.001
 
@@ -44,7 +47,12 @@ def test_aggregate_news_by_symbol(aggregator):
     now = datetime.now(timezone.utc)
     news_items = [
         {"symbols": ["AAPL"], "sentiment": 0.8, "category": "earnings", "published_at": now},
-        {"symbols": ["AAPL"], "sentiment": 0.3, "category": "macro", "published_at": now - timedelta(hours=2)},
+        {
+            "symbols": ["AAPL"],
+            "sentiment": 0.3,
+            "category": "macro",
+            "published_at": now - timedelta(hours=2),
+        },
         {"symbols": ["MSFT"], "sentiment": -0.5, "category": "policy", "published_at": now},
     ]
     scores = aggregator.aggregate(news_items, now)
diff --git a/shared/tests/test_sentiment_models.py b/shared/tests/test_sentiment_models.py
index 74f1acd..25fc371 100644
--- a/shared/tests/test_sentiment_models.py
+++ b/shared/tests/test_sentiment_models.py
@@ -1,6 +1,5 @@
 """Tests for news and sentiment models."""
 
-import pytest
 from datetime import datetime, timezone
 
 from shared.models import NewsCategory, NewsItem, OrderSide