small cleanup

src/model/turn.py

@@ -3,7 +3,6 @@ Checks the actions of the user and prevent the user to do something illegal
 """
 
 from typing import TYPE_CHECKING, List, Dict, Optional, Callable, Coroutine, Any
-from uuid import UUID
 from model import (
     Serializable,
     CardType,
@@ -11,7 +10,6 @@ from model import (
     Effect,
     CardEffects,
     EffectType,
-    EffectTimes,
     Team,
 )
 
@@ -86,7 +84,7 @@ class Turn(Serializable):
                     effect.effect_type is None
                     or effect.effect_type == EffectType.CHAMPION_ACTION
                 ):
-                    if len(effect.mutex) == 0 and effect.times == None:
+                    if len(effect.mutex) == 0 and effect.times is None:
                         await self.use_effect_with_check(effect_id=str(effect.uuid))
             else:
                 for _ in range(effect.amount):