kivy模块不会在pycharm或cmd中的pyhton 3.8上安装

Question

我尝试下载的所有东西删除了其他python3.7 3.5，并检查pycharm是否在3.8上的enterpred中，并且我具有最新的pip版本，并尝试了所有thiing，但仍然无法安装kivy itt给出了很多依赖关系和此错误

   ERROR: Dependency for cgl_mock.pyx not resolved: config.pxi
   ERROR: Dependency for cgl_gl.pyx not resolved: config.pxi
   ERROR: Dependency for cgl_glew.pyx not resolved: config.pxi
   ERROR: Dependency for cgl_sdl2.pyx not resolved: config.pxi
   ERROR: Dependency for svg.pyx not resolved: config.pxi
   ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for   full 
   command output.