style: auto-fix lint violations from enhanced ruff rules

1 files changed, 7 insertions, 5 deletions

diff --git a/cli/src/trading_cli/commands/data.py b/cli/src/trading_cli/commands/data.py
index 8797564..64639cf 100644
--- a/cli/src/trading_cli/commands/data.py
+++ b/cli/src/trading_cli/commands/data.py
@@ -1,5 +1,6 @@
 import asyncio
 import sys
+from datetime import UTC
 from pathlib import Path
 
 import click
@@ -39,14 +40,14 @@ def history(symbol, timeframe, since, limit):
     """Download historical stock market data for a symbol."""
     try:
         from shared.alpaca_client import AlpacaClient
-        from shared.db import Database
         from shared.config import Settings
+        from shared.db import Database
     except ImportError as e:
         click.echo(f"Error: Could not import required modules: {e}", err=True)
         sys.exit(1)
 
     async def _fetch():
-        from datetime import datetime, timezone
+        from datetime import datetime
 
         settings = Settings()
         db = Database(settings.database_url.get_secret_value())
@@ -55,7 +56,7 @@ def history(symbol, timeframe, since, limit):
         start = None
         if since:
             try:
-                start = datetime.fromisoformat(since).replace(tzinfo=timezone.utc)
+                start = datetime.fromisoformat(since).replace(tzinfo=UTC)
             except ValueError:
                 click.echo(
                     f"Error: Invalid date format '{since}'. Use ISO format (e.g. 2024-01-01).",
@@ -97,10 +98,11 @@ def history(symbol, timeframe, since, limit):
 def list_():
     """List available data streams and symbols."""
     try:
-        from shared.db import Database
+        from sqlalchemy import func, select
+
         from shared.config import Settings
+        from shared.db import Database
         from shared.sa_models import CandleRow
-        from sqlalchemy import select, func
     except ImportError as e:
         click.echo(f"Error: Could not import required modules: {e}", err=True)
         sys.exit(1)