No module named ‘pyinstaller‘

No module named 'pyinstaller'

i have installed

pip install pyinstaller

The installation also showed that it was successful, but when I run the program, it still prompts nothing.

I have already installed it in the anaconda prompt, but I still can't test it

 

There must be something wrong, there are also in the E:\anaconda\Lib\site-packages folder

Looks like a capitalization issue, I'll try

import PyInstaller
is right, by