fix some typings

Author: rmobis

task_database.py

@@ -432,7 +432,7 @@ def get_roll_candidates_for_tier(username: str, tier: str, min_candidates: int =
 '''
 
 
-def generate_task(username: str) -> TaskData or None: # type: ignore
+def generate_task(username: str) -> TaskData | None:
     user = get_user(username)
     if user.current_task() is not None:
         return

user_dao.py

@@ -64,15 +64,15 @@ def get_task_list(self, tier: str) -> UserTaskList:
         }[tier]
 
 
-    def current_task_for_tier(self, tier: str) -> tuple or None: # type: ignore
+    def current_task_for_tier(self, tier: str) -> tuple | None:
         user_task_list = self.get_task_list(tier)
         if user_task_list.current_task is None:
             return None
         task = task_info_for_id(tasklists.list_for_tier(tier), user_task_list.current_task.id)
         # TODO Fix this format
         return task.name, task.image_link, tier, task.id, task.tip, task.wiki_link, task.image_link
 
-    def current_task(self) -> tuple or None: # type: ignore
+    def current_task(self) -> tuple | None:
         if self.easy.current_task is not None:
             return self.current_task_for_tier('easyTasks')
         elif self.medium.current_task is not None: