解決python linebot "cannot import name 'Mapping' from 'collections'"問題

解決import linebot的版本問題

問題描述

在使用網上基於flask的linebot範例時產生一下報錯:

Traceback (most recent call last):
  File "C:\Users\User\Desktop\line-bot-tutorial-master\main.py", line 3, in <module>
    from linebot import (
  File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\linebot\__init__.py", line 21, in <module>
    from .api import (  # noqa
  File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\linebot\api.py", line 21, in <module>
    from .http_client import HttpClient, RequestsHttpClient
dule>
    import requests
le>
    import urllib3
  File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\__init__.py", line 8, in <module>
    from .connectionpool import (
  File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\connectionpool.py", line 29, in <module>
  File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\connection.py", line 39, in <module>
    from .util.ssl_ import (
  File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\util\__init__.py", line 3, in <module>
    from .connection import is_connection_dropped
  File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\util\connection.py", line 3, in <module>
  File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\util\wait.py", line 1, in <modul    from .selectors import (
<module>
    from collections import namedtuple, Mapping
ImportError: cannot import name 'Mapping' from 'collections' (C:\Users\User\AppData\Local\Programs\Python\Python310\lib\collections\__init__.py)

問題解決

爬了億下文，問題就出在linebot這個包裡的urllib3、requesrs兩個模塊的版本問題
使用pip指令將urllib3跟requests移除後
先重新安裝urllib3到1.26.7版，再重新安裝requests到2.26版即可
command:

pip uninstall urllib3
pip uninstall requests
pip install urllib3==1.26.7
pip install requests==2.26