Catch if a user has no top scores

cogs/osu.py

@@ -147,10 +147,10 @@ class Osu:
 
         scores = await self.api.get_user_best(user.username, limit=limit)
         entries = []
-        if len(entries) == 0:
+        if len(scores) == 0:
             await ctx.send("Sorry, but I can't find any scores for you {}!".format(member.display_name))
             return
-    
+
         for i in scores:
             m = await self.api.get_beatmaps(beatmap_id=i.beatmap_id)
             m = m[0]