[commands] bot_has_permissions decorator actually checks for bot.

discord/ext/commands/core.py

@@ -841,6 +841,6 @@ def bot_has_permissions(**perms):
     def predicate(ctx):
         ch = ctx.message.channel
         me = msg.server.me if not ch.is_private else ctx.bot.user
-        permissions = ch.permissions_for(msg.author)
+        permissions = ch.permissions_for(me)
         return all(getattr(permissions, perm, None) == value for perm, value in perms.items())
     return check(predicate)