记一次pytest运行报错-UnicodeDecodeError: ‘gbk‘ codec can‘t decode byte 0xb0 in position 26: illegal multiby

最近学习pytest时，配置pytest.ini后，运行pytest报错，错误如下：

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D:\pythonproject\AndroidUIauto\Test_App>pytest
Traceback (most recent call last):
  File "d:\python\python37\lib\runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "d:\python\python37\lib\runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "D:\Python\Python37\Scripts\pytest.exe\__main__.py", line 9, in 
  File "d:\python\python37\lib\site-packages\_pytest\config\__init__.py", line 60, in main
    config = _prepareconfig(args, plugins)
  File "d:\python\python37\lib\site-packages\_pytest\config\__init__.py", line 195, in _prepareconfig
    pluginmanager=pluginmanager, args=args
  File "d:\python\python37\lib\site-packages\pluggy\hooks.py", line 289, in __call__
    return self._hookexec(self, self.get_hookimpls(), kwargs)
  File "d:\python\python37\lib\site-packages\pluggy\manager.py", line 68, in _hookexec
    return self._inner_hookexec(hook, methods, kwargs)
  File "d:\python\python37\lib\site-packages\pluggy\manager.py", line 62, in 
    firstresult=hook.spec.opts.get("firstresult") if hook.spec else False,
  File "d:\python\python37\lib\site-packages\pluggy\callers.py", line 203, in _multicall
    gen.send(outcome)
  File "d:\python\python37\lib\site-packages\_pytest\helpconfig.py", line 93, in pytest_cmdline_parse
    config = outcome.get_result()
  File "d:\python\python37\lib\site-packages\pluggy\callers.py", line 80, in get_result
    raise ex[1].with_traceback(ex[2])
  File "d:\python\python37\lib\site-packages\pluggy\callers.py", line 187, in _multicall
    res = hook_impl.function(*args)
  File "d:\python\python37\lib\site-packages\_pytest\config\__init__.py", line 654, in pytest_cmdline_parse
    self.parse(args)
  File "d:\python\python37\lib\site-packages\_pytest\config\__init__.py", line 871, in parse
    self._preparse(args, addopts=addopts)
  File "d:\python\python37\lib\site-packages\_pytest\config\__init__.py", line 804, in _preparse
    self._initini(args)
  File "d:\python\python37\lib\site-packages\_pytest\config\__init__.py", line 727, in _initini
    config=self,
  File "d:\python\python37\lib\site-packages\_pytest\config\findpaths.py", line 122, in determine_setup
    rootdir, inifile, inicfg = getcfg([ancestor], config=config)
  File "d:\python\python37\lib\site-packages\_pytest\config\findpaths.py", line 35, in getcfg
    iniconfig = py.iniconfig.IniConfig(p)
  File "d:\python\python37\lib\site-packages\py\_vendored_packages\iniconfig.py", line 54, in __init__
    tokens = self._parse(iter(f))
  File "d:\python\python37\lib\site-packages\py\_vendored_packages\iniconfig.py", line 82, in _parse
    for lineno, line in enumerate(line_iter):
UnicodeDecodeError: 'gbk' codec can't decode byte 0xb0 in position 26: illegal multibyte sequence

解决办法：
更改pytest.ini 文件编码方式为GBK，再次运行不在报错。

原因：
目前未知，不知道具体为什么要这样更改，先记录以便后续跟进。