pip install -U discord.py在命令提示符下运行 时出现此错误：
ERROR: Command errored out with exit status 1:
command: 'c:\users\christian walters\appdata\local\programs\python\python39\python.exe' 'c:\users\christian walters\appdata\local\programs\python\python39\lib\site-packages\pip\_vendor\pep517\_in_process.py' build_wheel 'C:\Users\CHRIST~2\AppData\Local\Temp\tmpzbkps8pz'
cwd: C:\Users\Christian Walters\AppData\Local\Temp\pip-install-una8efn8\multidict
Complete output (40 lines):
**********************
* Accellerated build *
**********************
running bdist_wheel
running build
running build_py
creating build
creating build\lib.win-amd64-3.9
creating build\lib.win-amd64-3.9\multidict
copying multidict\_abc.py -> build\lib.win-amd64-3.9\multidict
copying multidict\_compat.py -> build\lib.win-amd64-3.9\multidict
copying multidict\_multidict_base.py -> build\lib.win-amd64-3.9\multidict
copying multidict\_multidict_py.py -> build\lib.win-amd64-3.9\multidict
copying multidict\__init__.py -> build\lib.win-amd64-3.9\multidict
running egg_info
writing multidict.egg-info\PKG-INFO
writing dependency_links to multidict.egg-info\dependency_links.txt
writing top-level names to multidict.egg-info\top_level.txt
reading manifest file 'multidict.egg-info\SOURCES.txt'
reading manifest template 'MANIFEST.in'
warning: no previously-included files matching '*.pyc' found anywhere in distribution
warning: no previously-included files found matching 'multidict\_multidict.html'
warning: no previously-included files found matching 'multidict\*.so'
warning: no previously-included files found matching 'multidict\*.pyd'
warning: no previously-included files found matching 'multidict\*.pyd'
no previously-included directories found matching 'docs\_build'
writing manifest file 'multidict.egg-info\SOURCES.txt'
copying multidict\__init__.pyi -> build\lib.win-amd64-3.9\multidict
copying multidict\_multidict.c -> build\lib.win-amd64-3.9\multidict
copying multidict\py.typed -> build\lib.win-amd64-3.9\multidict
creating build\lib.win-amd64-3.9\multidict\_multilib
copying multidict\_multilib\defs.h -> build\lib.win-amd64-3.9\multidict\_multilib
copying multidict\_multilib\dict.h -> build\lib.win-amd64-3.9\multidict\_multilib
copying multidict\_multilib\istr.h -> build\lib.win-amd64-3.9\multidict\_multilib
copying multidict\_multilib\iter.h -> build\lib.win-amd64-3.9\multidict\_multilib
copying multidict\_multilib\pair_list.h -> build\lib.win-amd64-3.9\multidict\_multilib
copying multidict\_multilib\views.h -> build\lib.win-amd64-3.9\multidict\_multilib
running build_ext
building 'multidict._multidict' extension
error: Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools": https://visualstudio.microsoft.com/visual-cpp-build-tools/
----------------------------------------
ERROR: Failed building wheel for multidict
Building wheel for yarl (PEP 517) ... error
ERROR: Command errored out with exit status 1:
command: 'c:\users\christian walters\appdata\local\programs\python\python39\python.exe' 'c:\users\christian walters\appdata\local\programs\python\python39\lib\site-packages\pip\_vendor\pep517\_in_process.py' build_wheel 'C:\Users\CHRIST~2\AppData\Local\Temp\tmpv2czmrk6'
cwd: C:\Users\Christian Walters\AppData\Local\Temp\pip-install-una8efn8\yarl
Complete output (35 lines):
**********************
* Accellerated build *
**********************
running bdist_wheel
running build
running build_py
creating build
creating build\lib.win-amd64-3.9
creating build\lib.win-amd64-3.9\yarl
copying yarl\_quoting.py -> build\lib.win-amd64-3.9\yarl
copying yarl\_quoting_py.py -> build\lib.win-amd64-3.9\yarl
copying yarl\_url.py -> build\lib.win-amd64-3.9\yarl
copying yarl\__init__.py -> build\lib.win-amd64-3.9\yarl
running egg_info
writing yarl.egg-info\PKG-INFO
writing dependency_links to yarl.egg-info\dependency_links.txt
writing requirements to yarl.egg-info\requires.txt
writing top-level names to yarl.egg-info\top_level.txt
reading manifest file 'yarl.egg-info\SOURCES.txt'
reading manifest template 'MANIFEST.in'
warning: no previously-included files matching '*.pyc' found anywhere in distribution
warning: no previously-included files matching '*.cache' found anywhere in distribution
warning: no previously-included files found matching 'yarl\*.html'
warning: no previously-included files found matching 'yarl\*.so'
warning: no previously-included files found matching 'yarl\*.pyd'
no previously-included directories found matching 'docs\_build'
writing manifest file 'yarl.egg-info\SOURCES.txt'
copying yarl\__init__.pyi -> build\lib.win-amd64-3.9\yarl
copying yarl\_quoting_c.c -> build\lib.win-amd64-3.9\yarl
copying yarl\_quoting_c.pyi -> build\lib.win-amd64-3.9\yarl
copying yarl\_quoting_c.pyx -> build\lib.win-amd64-3.9\yarl
copying yarl\py.typed -> build\lib.win-amd64-3.9\yarl
running build_ext
building 'yarl._quoting_c' extension
error: Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools": https://visualstudio.microsoft.com/visual-cpp-build-tools/
----------------------------------------
ERROR: Failed building wheel for yarl
Failed to build multidict yarl
ERROR: Could not build wheels for multidict, yarl which use PEP 517 and cannot be installed directly
我对 python 非常陌生，这是我尝试使用 pip 安装的第一个模块。我不确定我错过了什么，或者我是否需要安装其他东西才能安装 discord.py。如果有帮助，我会在 Windows 上运行它。任何帮助将不胜感激。