使用pipwin和或pip安装pyaudio时出错

Question

我试图编译一个使用pyaudio的应用程序，但我使用的是python 3.7。我需要在3.9上将其编译为和exe。当我切换时，我安装了我需要的所有软件包，除了一个，pyaudio。当我使用pipwin或pip时，它给出了以下错误

Package `pyaudio` found in cache
Downloading package . . .
https://download.lfd.uci.edu/pythonlibs/z4tqcw5k/PyAudio-0.2.11-cp39-cp39-win_amd64.whl
PyAudio-0.2.11-cp39-cp39-win_amd64.whl
Traceback (most recent call last):
  File "c:\users\tdmfa\appdata\local\programs\python\python39\lib\runpy.py", line 197, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "c:\users\tdmfa\appdata\local\programs\python\python39\lib\runpy.py", line 87, in _run_code
    exec(code, run_globals)
  File "C:\Users\tdmfa\AppData\Local\Programs\Python\Python39\Scripts\pipwin.exe\__main__.py", line 7, in <module>
  File "c:\users\tdmfa\appdata\local\programs\python\python39\lib\site-packages\pipwin\command.py", line 103, in main
    cache.install(package)
  File "c:\users\tdmfa\appdata\local\programs\python\python39\lib\site-packages\pipwin\pipwin.py", line 300, in install
    wheel_file = self.download(requirement)
  File "c:\users\tdmfa\appdata\local\programs\python\python39\lib\site-packages\pipwin\pipwin.py", line 294, in download
    return self._download(requirement, dest)
  File "c:\users\tdmfa\appdata\local\programs\python\python39\lib\site-packages\pipwin\pipwin.py", line 290, in _download
    obj.start()
  File "c:\users\tdmfa\appdata\local\programs\python\python39\lib\site-packages\pySmartDL\pySmartDL.py", line 267, in start
    urlObj = urllib.request.urlopen(req, timeout=self.timeout, context=self.context)
  File "c:\users\tdmfa\appdata\local\programs\python\python39\lib\urllib\request.py", line 214, in urlopen
    return opener.open(url, data, timeout)
  File "c:\users\tdmfa\appdata\local\programs\python\python39\lib\urllib\request.py", line 523, in open
    response = meth(req, response)
  File "c:\users\tdmfa\appdata\local\programs\python\python39\lib\urllib\request.py", line 632, in http_response
    response = self.parent.error(
  File "c:\users\tdmfa\appdata\local\programs\python\python39\lib\urllib\request.py", line 561, in error
    return self._call_chain(*args)
  File "c:\users\tdmfa\appdata\local\programs\python\python39\lib\urllib\request.py", line 494, in _call_chain
    result = func(*args)
  File "c:\users\tdmfa\appdata\local\programs\python\python39\lib\urllib\request.py", line 641, in http_error_default
    raise HTTPError(req.full_url, code, msg, hdrs, fp)
urllib.error.HTTPError: HTTP Error 404: Not Found

我还尝试通过下载.whl文件从文件本身下载它