TypeError: an integer is required (got type bytes)

[evandrocoan]

I am trying to install pyaudio, but it is not working:

d:\User\Dropbox\SoftwareVersioning\Forks\anki>python --version
Python 3.8.1

d:\User\Dropbox\SoftwareVersioning\Forks\anki>pipwin install pyaudio
Traceback (most recent call last):
  File "f:\python\lib\runpy.py", line 193, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "f:\python\lib\runpy.py", line 86, in _run_code
    exec(code, run_globals)
  File "F:\Python\Scripts\pipwin.exe\__main__.py", line 4, in <module>
  File "f:\python\lib\site-packages\pipwin\command.py", line 27, in <module>
    from . import pipwin, __version__
  File "f:\python\lib\site-packages\pipwin\pipwin.py", line 14, in <module>
    import js2py
  File "f:\python\lib\site-packages\js2py\__init__.py", line 69, in <module>
    from .base import PyJsException
  File "f:\python\lib\site-packages\js2py\base.py", line 2391, in <module>
    FunctionPrototype = PyJsFunction(Empty, ObjectPrototype)
  File "f:\python\lib\site-packages\js2py\base.py", line 1279, in __init__
    cand = fix_js_args(func)
  File "f:\python\lib\site-packages\js2py\utils\injector.py", line 26, in fix_js_args
    code = append_arguments(six.get_function_code(func), ('this','arguments'))
  File "f:\python\lib\site-packages\js2py\utils\injector.py", line 130, in append_arguments
    return types.CodeType(*args)
TypeError: an integer is required (got type bytes)