2021.11.09 ModuleNotFoundError: No module named 'packaging'

エラー「ModuleNotFoundError: No module named 'packaging'」

packaging Modeleがないパターン

C:\Users\s-matsui>python se2.py
Traceback (most recent call last):
  File "C:\Users\s-matsui\se2.py", line 1, in <module>
    from seleniumwire.undetected_chromedriver.v2 import Chrome, ChromeOptions
  File "C:\Users\s-matsui\AppData\Local\Programs\Python\Python39\lib\site-packages\seleniumwire\undetected_chromedriver\__init__.py", line 8, in <module>
    from seleniumwire.webdriver import Chrome
  File "C:\Users\s-matsui\AppData\Local\Programs\Python\Python39\lib\site-packages\seleniumwire\webdriver.py", line 4, in <module>
    from packaging import version
ModuleNotFoundError: No module named 'packaging'

対応

まずpipをupgrade

pip install --upgrade pip 

その後packagingをインストール

pip install packaging