在 python 中导入 web3 时出现错误

Question

我正在尝试在 python 控制台中执行“import web3”语句并收到以下错误。

>>> import web3
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Users\f1cmpica-1\AppData\Local\Programs\Python\Python39\lib\site-packages\web3\__init__.py", line 9, in <module>
    from web3.main import (
  File "C:\Users\f1cmpica-1\AppData\Local\Programs\Python\Python39\lib\site-packages\web3\main.py", line 87, in <module>
    from web3.manager import (
  File "C:\Users\f1cmpica-1\AppData\Local\Programs\Python\Python39\lib\site-packages\web3\manager.py", line 47, in <module>
    from web3.providers import (
  File "C:\Users\f1cmpica-1\AppData\Local\Programs\Python\Python39\lib\site-packages\web3\providers\__init__.py", line 8, in <module>
    from .rpc import (  # noqa: F401,
  File "C:\Users\f1cmpica-1\AppData\Local\Programs\Python\Python39\lib\site-packages\web3\providers\rpc.py", line 21, in <module>
    from web3._utils.request import (
  File "C:\Users\f1cmpica-1\AppData\Local\Programs\Python\Python39\lib\site-packages\web3\_utils\request.py", line 6, in <module>
    from aiohttp import (
  File "C:\Users\f1cmpica-1\AppData\Local\Programs\Python\Python39\lib\site-packages\aiohttp\__init__.py", line 6, in <module>
    from .client import (
  File "C:\Users\f1cmpica-1\AppData\Local\Programs\Python\Python39\lib\site-packages\aiohttp\client.py", line 35, in <module>
    from . import hdrs, http, payload
  File "C:\Users\f1cmpica-1\AppData\Local\Programs\Python\Python39\lib\site-packages\aiohttp\http.py", line 7, in <module>
    from .http_parser import (
  File "C:\Users\f1cmpica-1\AppData\Local\Programs\Python\Python39\lib\site-packages\aiohttp\http_parser.py", line 15, in <module>
    from .helpers import NO_EXTENSIONS, BaseTimerContext
  File "C:\Users\f1cmpica-1\AppData\Local\Programs\Python\Python39\lib\site-packages\aiohttp\helpers.py", line 48, in <module>
    from typing_extensions import Protocol
  File "C:\Users\f1cmpica-1\AppData\Local\Programs\Python\Python39\lib\site-packages\typing_extensions.py", line 2142, in <module>
    def TypeAlias(self, parameters):
TypeError: __init__() missing 1 required positional argument: 'doc'

任何帮助都会得到帮助。

Answer 1

你没有提到版本号。 https://stackoverflow.com/help/minimal-reproducible-example

我从 conda-forge 安装了这些，在 MacOS 12.0.1 上使用解释器 3.9.7：

• 打字扩展 4.0.1
• 网络3 5.26.0

然后import web3就可以了。