在使用pip install pypsa，安装报错如下
ERROR: Command errored out with exit status 1:
command: 'd:\python3\python.exe' 'd:\python3\lib\site-packages\pip_vendor\pep517_in_process.py' get_requires_for_build_wheel 'C:\Users\xyrrrr\AppData\Local\Temp\tmpk8s4cp1x'
cwd: C:\Users\xyrrrr\AppData\Local\Temp\pip-install-y9r5hyt9\cartopy
Complete output (3 lines):
setup.py:171: UserWarning: Unable to determine GEOS version. Ensure you have 3.3.3 or later installed, or installation may fail.
'.'.join(str(v) for v in GEOS_MIN_VERSION), ))
Proj 4.9.0 must be installed.
ERROR: Command errored out with exit status 1: 'd:\python3\python.exe' 'd:\python3\lib\site-packages\pip_vendor\pep517_in_process.py' get_requires_for_build_wheel 'C:\Users\xyrrrr\AppData\Local\Temp\tmpk8s4cp1x' Check the logs for full command output.
查了很多，真的不懂如何解决，小白求专业人士帮助！谢谢。
一天也没解决，我就是一个刚下载python的小白 饶了我吧
