无法安装 pywin32 或 pip 安装不起作用

Question

我正在尝试为我的窗口服务安装pywin32，但不幸的是，我收到此错误。我也试图安装另一个模块，但错误仍然是一样的。我想知道这是一个包错误或python错误作为一个整体。因为即使我试图安装另一个模块，模块'typing'具有属性'NoReturn'错误仍然出现。

File "c:python36librunpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)
File "c:python36librunpy.py", line 85, in _run_code
exec(code, run_globals)
File "C:Python36Scriptspip.exe__main__.py", line 4, in <module>
File "c:python36libsite-packagespip_internalclimain.py", line 9, in <module>
from pip._internal.cli.autocompletion import autocomplete
File "c:python36libsite-packagespip_internalcliautocompletion.py", line 10, in <module>
from pip._internal.cli.main_parser import create_main_parser
File "c:python36libsite-packagespip_internalclimain_parser.py", line 8, in <module>
from pip._internal.cli import cmdoptions
File "c:python36libsite-packagespip_internalclicmdoptions.py", line 23, in <module>
from pip._internal.cli.parser import ConfigOptionParser
File "c:python36libsite-packagespip_internalcliparser.py", line 12, in <module>
from pip._internal.configuration import Configuration, ConfigurationError
File "c:python36libsite-packagespip_internalconfiguration.py", line 27, in <module>
from pip._internal.utils.misc import ensure_dir, enum
File "c:python36libsite-packagespip_internalutilsmisc.py", line 38, in <module>
from pip._vendor.tenacity import retry, stop_after_delay, wait_fixed
File "c:python36libsite-packagespip_vendortenacity__init__.py", line 186, in <module>
class RetryError(Exception):
File "c:python36libsite-packagespip_vendortenacity__init__.py", line 193, in RetryError
def reraise(self) -> t.NoReturn:
AttributeError: module 'typing' has no attribute 'NoReturn'

Answer 1

NoReturn属性直到Python 3.6.2才被添加到typing模块，你很可能有3.6.0，这是行不通的。你需要升级到Python 3.6.2或更高版本。