Merge pull request #260 from huangshiyu13/main

update

examples/arena/evaluate_more_envs.py

@@ -16,24 +16,6 @@
 
 """"""
 
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-# Copyright 2023 The OpenRL Authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     https://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-""""""
-
 from pettingzoo.butterfly import cooperative_pong_v5
 from pettingzoo.classic import connect_four_v3, go_v5, texas_holdem_no_limit_v6
 from pettingzoo.mpe import simple_push_v3