我正在尝试安装pyvxi11，但收到令人困惑的错误消息。有人能理解吗？

我尝试通过pip安装PyVXI11，但无济于事。我也安装了cython。

cVXI11-3.pyx:888:21: Converting to Python object not allowed without gil
Traceback (most recent call last):
  File "<string>",line 1,in <module>
  File "C:\Users\me\AppData\Local\Temp\pip-install-ie018_rq\pyvxi11\setup.py",line 107,in <module>
    ext_modules=cythonize(ext_modules)
  File "C:\Program Files (x86)\microsoft Visual Studio\Shared\Anaconda3_64\envs\cv\lib\site-packages\Cython\Build\Dependencies.py",line 1096,in cythonize
    cythonize_one(*args)
  File "C:\Program Files (x86)\microsoft Visual Studio\Shared\Anaconda3_64\envs\cv\lib\site-packages\Cython\Build\Dependencies.py",line 1219,in cythonize_one
    raise CompileError(None,pyx_file)
Cython.Compiler.Errors.CompileError: cVXI11-3.pyx
----------------------------------------

错误：命令错误，退出状态为1：python setup.py egg_info检查日志以获取完整的命令输出。