TypeError：无法在python的路径组件中混合字符串和字节

问题描述

 Using cached jnius-1.1.0.tar.gz (28 kB)
    ERROR: Command errored out with exit status 1:
     command: 'c:\users\user\appdata\local\programs\python\python37-32\python.exe' -c 'import sys,setuptools,tokenize; sys.argv[0] = '"'"'C:\\Users\\user\\AppData\\Local\\Temp\\pip-instal
l-g13whan3\\jnius\\setup.py'"'"'; __file__='"'"'C:\\Users\\user\\AppData\\Local\\Temp\\pip-install-g13whan3\\jnius\\setup.py'"'"';f=getattr(tokenize,'"'"'open'"'"',open)(__file__);code=f.
read().replace('"'"'\r\n'"'"','"'"'\n'"'"');f.close();exec(compile(code,__file__,'"'"'exec'"'"'))' egg_info --egg-base 'C:\Users\user\AppData\Local\Temp\pip-pip-egg-info-94rlagf8'
         cwd: C:\Users\user\AppData\Local\Temp\pip-install-g13whan3\jnius\
    Complete output (11 lines):
    WARNING: Not able to assign machine() = AMD64 to a cpu value!
             Using cpu = 'i386' instead!
    Traceback (most recent call last):
      File "<string>",line 1,in <module>
      File "C:\Users\user\AppData\Local\Temp\pip-install-g13whan3\jnius\setup.py",line 153,in <module>
        join(jre_home,'bin','server')
      File "c:\users\user\appdata\local\programs\python\python37-32\lib\ntpath.py",line 115,in join
        genericpath._check_arg_types('join',path,*paths)
      File "c:\users\user\appdata\local\programs\python\python37-32\lib\genericpath.py",line 151,in _check_arg_types
        raise TypeError("Can't mix strings and bytes in path components") from None
    TypeError: Can't mix strings and bytes in path components
    ----------------------------------------
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.

在下载jnius软件包时出现此错误首先显示安装Cython后缺少Cython软件包，我尝试安装jnius，然后显示上述错误，然后尝试安装pyjnius，并显示

PermissionError：[WinError 5]访问被拒绝

解决方法

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