Use format to make i18n script check happy

Author: lykahb

katrain/core/game_node.py

@@ -293,7 +293,7 @@ def format_score(self, score=None):
         score = score or self.score
         if score is not None:
             leading_player = 'B' if score >= 0 else 'W'
-            leading_player_color = i18n._('short color ' + leading_player)
+            leading_player_color = i18n._(f"short color {leading_player}")
             return f"{leading_player_color}+{abs(score):.1f}"
 
     @property
@@ -305,7 +305,7 @@ def format_winrate(self, win_rate=None):
         win_rate = win_rate or self.winrate
         if win_rate is not None:
             leading_player = 'B' if win_rate > 0.5 else 'W'
-            leading_player_color = i18n._('short color ' + leading_player)
+            leading_player_color = i18n._(f"short color {leading_player}")
             return f"{leading_player_color} {max(win_rate,1-win_rate):.1%}"
 
     def move_policy_stats(self) -> Tuple[Optional[int], float, List]:

katrain/gui.kv

@@ -499,7 +499,7 @@
     StatsLabel:
         id: pointloss_label
         label: i18n._('stats:pointslost') if root.points_lost is None or root.points_lost > 0 else i18n._('stats:pointsgained')
-        text: '{}: {:.1f}'.format(i18n._('short color ' + root.player), abs(root.points_lost)) if root.points_lost is not None else '...'
+        text: '{}: {:.1f}'.format(i18n._(f'short color {root.player}'), abs(root.points_lost)) if root.points_lost is not None else '...'
         color: Theme.POINTLOSS_COLOR
 
 <ScrollableLabel>: