安装 tomorrow 报错问题

1、安装 tomorrow 报错问题

C:\Users\chazh>pip install tomorrow
Collecting tomorrow
  Using cached tomorrow-0.2.4.tar.gz (3.0 kB)
  Preparing metadata (setup.py) ... done
Collecting futures>=2.2.0
  Using cached futures-3.0.5.tar.gz (25 kB)
  Preparing metadata (setup.py) ... error
  error: subprocess-exited-with-error

  × python setup.py egg_info did not run successfully.
  │ exit code: 1
  ╰─> [29 lines of output]
      Traceback (most recent call last):
        File "<string>", line 2, in <module>
        File "<pip-setuptools-caller>", line 14, in <module>
        File "D:\tools\python3\lib\site-packages\setuptools\__init__.py", line 189, in <module>
          monkey.patch_all()
        File "D:\tools\python3\lib\site-packages\setuptools\monkey.py", line 99, in patch_all
          patch_for_msvc_specialized_compiler()
        File "D:\tools\python3\lib\site-packages\setuptools\monkey.py", line 169, in patch_for_msvc_specialized_compiler
          patch_func(*msvc14('_get_vc_env'))
        File "D:\tools\python3\lib\site-packages\setuptools\monkey.py", line 149, in patch_params
          mod = import_module(mod_name)
        File "D:\tools\python3\lib\importlib\__init__.py", line 127, in import_module
          return _bootstrap._gcd_import(name[level:], package, level)
        File "D:\tools\python3\lib\site-packages\setuptools\_distutils\_msvccompiler.py", line 20, in <module>
          import unittest.mock
        File "D:\tools\python3\lib\unittest\__init__.py", line 60, in <module>
          from .async_case import IsolatedAsyncioTestCase
        File "D:\tools\python3\lib\unittest\async_case.py", line 1, in <module>
          import asyncio
        File "D:\tools\python3\lib\asyncio\__init__.py", line 8, in <module>
          from .base_events import *
        File "D:\tools\python3\lib\asyncio\base_events.py", line 18, in <module>
          import concurrent.futures
        File "C:\Users\chazh\AppData\Local\Temp\pip-install-egciquwr\futures_659b855e73c34375b6fc8cc15f43bd37\concurrent\futures\__init__.py", line 8, in <module>
          from concurrent.futures._base import (FIRST_COMPLETED,
        File "C:\Users\chazh\AppData\Local\Temp\pip-install-egciquwr\futures_659b855e73c34375b6fc8cc15f43bd37\concurrent\futures\_base.py", line 357
          raise type(self._exception), self._exception, self._traceback
                                     ^
      SyntaxError: invalid syntax
      [end of output]

  note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed

× Encountered error while generating package metadata.
╰─> See above for output.

note: This is an issue with the package mentioned above, not pip.
hint: See above for details.

2、解决此错误

#先升级至pip==20.2.4 
python -m pip install --user --upgrade pip==20.2.4 
 
#再升级至pip==20.3.4
python -m pip install --user --upgrade pip==20.3.4 

3、然后再次安装

pip install tomorrow

Processing c:\users\chazh\appdata\local\pip\cache\wheels\50\68\59\d63cc7ac6e6fa4b2a800be7e4654bef035ae8b7f5200d0d930\tomorrow-0.2.4-py3-none-any.whl
Requirement already satisfied: futures>=2.2.0 in d:\tools\python3\lib\site-packages (from tomorrow) (2.2.0)
Installing collected packages: tomorrow
Successfully installed tomorrow-0.2.4

即可。

参考链接:https://blog.csdn.net/qq_42281663/article/details/121754683