python执行报错“UnicodeDecodeError: 'gbk' codec can't decode byte 0xa1 in position 110: illegal multibyte sequence”

import pytest

@pytest.fixture()
def user():
    print("获取用户名")
    a = "zt"
    return a

def test_1(user):
    assert user == "zt"

if __name__ == "__main__":
    pytest.main(["-s","test_fixture1.py"])

Testing started at 10:34 ...
D:\Python\PycharmProjects\venv\Scripts\python.exe "D:\Program Files (x86)\JetBrains\PyCharm 2018.1.2\helpers\pycharm\_jb_pytest_runner.py" --path D:/Python/Simulat_instruction_report/Smart_interface_test/Smart/learn/test_fixture1.py
Launching py.test with arguments D:/Python/Simulat_instruction_report/Smart_interface_test/Smart/learn/test_fixture1.py in D:\Python\Simulat_instruction_report\Smart_interface_test\Smart\learn

Traceback (most recent call last):
  File "D:\Program Files (x86)\JetBrains\PyCharm 2018.1.2\helpers\pycharm\_jb_pytest_runner.py", line 31, in <module>
    pytest.main(args, plugins_to_load)
  File "D:\Program Files (x86)\python\lib\site-packages\_pytest\config\__init__.py", line 58, in main
    config = _prepareconfig(args, plugins)
  File "D:\Program Files (x86)\python\lib\site-packages\_pytest\config\__init__.py", line 196, in _prepareconfig
    pluginmanager=pluginmanager, args=args
  File "D:\Program Files (x86)\python\lib\site-packages\pluggy\hooks.py", line 284, in __call__
    return self._hookexec(self, self.get_hookimpls(), kwargs)
  File "D:\Program Files (x86)\python\lib\site-packages\pluggy\manager.py", line 67, in _hookexec
    return self._inner_hookexec(hook, methods, kwargs)
  File "D:\Program Files (x86)\python\lib\site-packages\pluggy\manager.py", line 61, in <lambda>
    firstresult=hook.spec.opts.get("firstresult") if hook.spec else False,
  File "D:\Program Files (x86)\python\lib\site-packages\pluggy\callers.py", line 203, in _multicall
    gen.send(outcome)
  File "D:\Program Files (x86)\python\lib\site-packages\_pytest\helpconfig.py", line 93, in pytest_cmdline_parse
    config = outcome.get_result()
  File "D:\Program Files (x86)\python\lib\site-packages\pluggy\callers.py", line 80, in get_result
    raise ex[1].with_traceback(ex[2])
  File "D:\Program Files (x86)\python\lib\site-packages\pluggy\callers.py", line 187, in _multicall
    res = hook_impl.function(*args)
  File "D:\Program Files (x86)\python\lib\site-packages\_pytest\config\__init__.py", line 675, in pytest_cmdline_parse
    self.parse(args)
  File "D:\Program Files (x86)\python\lib\site-packages\_pytest\config\__init__.py", line 854, in parse
    self._preparse(args, addopts=addopts)
  File "D:\Program Files (x86)\python\lib\site-packages\_pytest\config\__init__.py", line 799, in _preparse
    self._initini(args)
  File "D:\Program Files (x86)\python\lib\site-packages\_pytest\config\__init__.py", line 729, in _initini
    config=self,
  File "D:\Program Files (x86)\python\lib\site-packages\_pytest\config\findpaths.py", line 130, in determine_setup
    rootdir, inifile, inicfg = getcfg([ancestor], config=config)
  File "D:\Program Files (x86)\python\lib\site-packages\_pytest\config\findpaths.py", line 34, in getcfg
    iniconfig = py.iniconfig.IniConfig(p)
  File "D:\Program Files (x86)\python\lib\site-packages\py\_vendored_packages\iniconfig.py", line 54, in __init__
    tokens = self._parse(iter(f))
  File "D:\Program Files (x86)\python\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 0xa1 in position 110: illegal multibyte sequence

Process finished with exit code 1
Empty test suite.