我按照 OpenAI Gym 的安装说明进行操作，但完整安装出现错误“无法为 mujoco-py 构建轮子”
pip install gymimport gym在我的笔记本电脑上工作正常，也import mujoco_py可以工作，但我仍然收到“无法构建轮子错误”
如果有人可以解释为什么我会收到此无效语法错误，那将会很有用。
(universe) abhimanyu@abhimanyu-HP-ProBook-440-G3:~/gym$ pip install -e .'[all]'
Obtaining file:///home/abhimanyu/gym
Requirement already satisfied: scipy in /home/abhimanyu/anaconda3/envs/universe/lib/python2.7/site-packages (from gym==0.10.8) (1.1.0)
Requirement already satisfied: numpy>=1.10.4 in /home/abhimanyu/anaconda3/envs/universe/lib/python2.7/site-packages (from gym==0.10.8) (1.15.3)
Requirement already satisfied: requests>=2.0 in /home/abhimanyu/anaconda3/envs/universe/lib/python2.7/site-packages (from gym==0.10.8) (2.10.0)
Requirement already satisfied: six in /home/abhimanyu/anaconda3/envs/universe/lib/python2.7/site-packages (from gym==0.10.8) (1.11.0)
Requirement already satisfied: pyglet>=1.2.0 in /home/abhimanyu/anaconda3/envs/universe/lib/python2.7/site-packages (from gym==0.10.8) (1.3.2)
Requirement already satisfied: box2d-py>=2.3.5 in /home/abhimanyu/anaconda3/envs/universe/lib/python2.7/site-packages (from gym==0.10.8) (2.3.5)
Collecting mujoco_py>=1.50 …