detect and resolve battle tie with influence_token

src/warchron/constants.py

@@ -1,6 +1,7 @@
 from enum import StrEnum
 from enum import Enum, auto
 from pathlib import Path
+from typing import Dict
 
 from PyQt6.QtCore import Qt
 from PyQt6.QtGui import QIcon
@@ -40,7 +41,7 @@ class IconName(str, Enum):
 
 
 class Icons:
-    _cache: dict[str, QIcon] = {}
+    _cache: Dict[str, QIcon] = {}
 
     _paths = {
         IconName.UNDO: "arrow-curve-180-left",