Lint + update

visualizer/data_loader.py

@@ -1,15 +1,18 @@
+"""Data loading utilities for the ad visualizer."""
+
 import sqlite3
 from typing import Sequence, List, Optional
 from pathlib import Path
 import sys
 
+from utils.scrap import DB_PATH, get_connection
+
 # Allow running as a script from anywhere
 sys.path.insert(0, str(Path(__file__).resolve().parent.parent.parent))
 
-from utils.scrap import DB_PATH, get_connection
-
 Row = Sequence
 
+
 def load_ads_data(
     channel_id: str, start_date: Optional[str] = None, end_date: Optional[str] = None
 ) -> List[Row]:
@@ -50,4 +53,4 @@ def list_channels() -> List[str]:
         )
         return [row[0] for row in cursor.fetchall()]
     finally:
-        conn.close()
+        conn.close()