pycharm 去pip install airsim时遇见错误

Collecting airsim
  Downloading airsim-1.8.1.tar.gz (20 kB)
  Preparing metadata (setup.py) ... error
  error: subprocess-exited-with-error
  
  │ exit code: 1
  ╰─> [29 lines of output]
....
....
....

....
..
ModuleNotFoundError: No module named 'backports.ssl_match_hostname'
      [end of output]

note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed

× Encountered error while generating package metadata.
╰─> See above for output.

note: This is an issue with the package mentioned above, not pip.
hint: See above for details.

不仔细看是找不到错误的

 pip install backports.ssl_match_hostname

参考文章AirSim学习（3）AirSim的PythonAPI基本操作——环境配置与VehicleClient类_在python中安装airsim-优快云博客