I'm using a clean virtual env on windows 7 and python 3.7.4, the pytest is always failed with a OSError as below, on the same machine, i have succeeded to run the pytest on same code with a previou python version, is this related to an upgrade with python?
(nebulaenv) d:\workspace\nebula_data\nebula>pytest -h
Traceback (most recent call last):
File "d:\python37\Lib\runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)
File "d:\python37\Lib\runpy.py", line 85, in _run_code
exec(code, run_globals)
File "D:\workspace\nebula_data\nebulaenv\Scripts\pytest.exe\__main__.py", line 9, in <module>
File "d:\workspace\nebula_data\nebulaenv\lib\site-packages\_pytest\config\__init__.py", line 55, in main
config = _prepareconfig(args, plugins)
File "d:\workspace\nebula_data\nebulaenv\lib\site-packages\_pytest\config\__init__.py", line 200, in _prepareconfig
pluginmanager=pluginmanager, args=args
File "d:\workspace\nebula_data\nebulaenv\lib\site-packages\pluggy\hooks.py", line 289, in __call__
return self._hookexec(self, self.get_hookimpls(), kwargs)
File "d:\workspace\nebula_data\nebulaenv\lib\site-packages\pluggy\manager.py", line 87, in _hookexec
return self._inner_hookexec(hook, methods, kwargs)
File "d:\workspace\nebula_data\nebulaenv\lib\site-packages\pluggy\manager.py", line 81, in <lambda>
firstresult=hook.spec.opts.get("firstresult") if hook.spec else False,
File "d:\workspace\nebula_data\nebulaenv\lib\site-packages\pluggy\callers.py", line 203, in _multicall
gen.send(outcome)
File "d:\workspace\nebula_data\nebulaenv\lib\site-packages\_pytest\helpconfig.py", line 89, in pytest_cmdline_parse
config = outcome.get_result()
File "d:\workspace\nebula_data\nebulaenv\lib\site-packages\pluggy\callers.py", line 80, in get_result
raise ex[1].with_traceback(ex[2])
File "d:\workspace\nebula_data\nebulaenv\lib\site-packages\pluggy\callers.py", line 187, in _multicall
res = hook_impl.function(*args)
File "d:\workspace\nebula_data\nebulaenv\lib\site-packages\_pytest\config\__init__.py", line 661, in pytest_cmdline_parse
self.parse(args)
File "d:\workspace\nebula_data\nebulaenv\lib\site-packages\_pytest\config\__init__.py", line 869, in parse
self._preparse(args, addopts=addopts)
File "d:\workspace\nebula_data\nebulaenv\lib\site-packages\_pytest\config\__init__.py", line 825, in _preparse
early_config=self, args=args, parser=self._parser
File "d:\workspace\nebula_data\nebulaenv\lib\site-packages\pluggy\hooks.py", line 289, in __call__
return self._hookexec(self, self.get_hookimpls(), kwargs)
File "d:\workspace\nebula_data\nebulaenv\lib\site-packages\pluggy\manager.py", line 87, in _hookexec
return self._inner_hookexec(hook, methods, kwargs)
File "d:\workspace\nebula_data\nebulaenv\lib\site-packages\pluggy\manager.py", line 81, in <lambda>
firstresult=hook.spec.opts.get("firstresult") if hook.spec else False,
File "d:\workspace\nebula_data\nebulaenv\lib\site-packages\pluggy\callers.py", line 208, in _multicall
return outcome.get_result()
File "d:\workspace\nebula_data\nebulaenv\lib\site-packages\pluggy\callers.py", line 80, in get_result
raise ex[1].with_traceback(ex[2])
File "d:\workspace\nebula_data\nebulaenv\lib\site-packages\pluggy\callers.py", line 182, in _multicall
next(gen) # first yield
File "d:\workspace\nebula_data\nebulaenv\lib\site-packages\_pytest\capture.py", line 42, in pytest_load_initial_conftests
_py36_windowsconsoleio_workaround(sys.stdout)
File "d:\workspace\nebula_data\nebulaenv\lib\site-packages\_pytest\capture.py", line 815, in _py36_windowsconsoleio_workaround
sys.stdin = _reopen_stdio(sys.stdin, "rb")
File "d:\workspace\nebula_data\nebulaenv\lib\site-packages\_pytest\capture.py", line 808, in _reopen_stdio
open(os.dup(f.fileno()), mode, buffering),
OSError: [WinError 87] 参数错误。
I'm using a clean virtual env on windows 7 and python 3.7.4, the pytest is always failed with a OSError as below, on the same machine, i have succeeded to run the pytest on same code with a previou python version, is this related to an upgrade with python?