【一】gym环境安装以及安装遇到的错误解决

pip install gym -i https://pypi.douban.com/simple

 pip install “ 你需要安装的包” -i https://pypi.douban.com/simple  

  conda create -n tf   #tf环境名称自定义
conda activate tf    #激活环境
pip install gym -i https://pypi.tuna.tsinghua.edu.cn/simple
 

pip install --ignore-installed xxx

pip install --ignore-installed tornado

import gym
env = gym.make(id='xxx')

 pip install box2d-py
 

 error: command 'swig.exe' failed: No such file or directory

 pip install siwg

Collecting swig
  ERROR: Could not find a version that satisfies the requirement swig (from versions: none)
ERROR: No matching distribution found for swig

 conda install swig