fix (tasklist): Bound checks in task hook.

src/modules/tasklist/cog.py

@@ -151,7 +151,8 @@ class TasklistCog(LionCog):
 
                 ecog = self.bot.get_cog('Economy')
                 recent = await ecog.data.TaskTransaction.count_recent_for(member.id, member.guild.id) or 0
-                max_to_reward = max(limit-recent, 0)
+                max_to_reward = limit - recent
+                if max_to_reward > 0:
                     to_reward = unrewarded[:max_to_reward]
 
                     count = len(to_reward)