diff --git a/main.py b/main.py
index 8f07287..603f3ba 100755
--- a/main.py
+++ b/main.py
@@ -13,6 +13,7 @@ import json
 import logging
 import sys
 from datetime import datetime, timezone
+from typing import Optional
 
 # Force UTF-8 output on Windows so box-drawing chars render
 if hasattr(sys.stdout, "reconfigure"):
@@ -198,7 +199,7 @@ def print_signal_report(report: SignalReport, detail: bool = False):
                     print(f"    {label:>20}  {color}{val:.3f}{Colors.RESET}")
 
 
-def print_market_outlook(outlook: OutlookResult | None) -> None:
+def print_market_outlook(outlook: Optional[OutlookResult]) -> None:
     """Render the independent advisory outlook for explicit CLI use."""
     print(f"\n  {Colors.BOLD}AI Market Outlook{Colors.RESET}")
     if outlook is None: