为什么pip list内有依赖包，但是指令却无法使用，还报错？

Question

name@192 bingdun % pip list | grep pyinstall
pyinstaller                                       5.4.1
pyinstaller-hooks-contrib                         2022.10
name@192 bingdun % pyinstaller -V           
zsh: command not found: pyinstaller
name@192 bingdun % pip list | grep pyinstall
pyinstaller                                       5.4.1
pyinstaller-hooks-contrib                         2022.10
name@192 bingdun % pip install pyinstaller
Defaulting to user installation because normal site-packages is not writeable
Looking in indexes: https://pypi.org/simple/
Requirement already satisfied: pyinstaller in /Users/name/Library/Python/3.9/lib/python/site-packages (5.4.1)
Requirement already satisfied: setuptools in /Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/site-packages (from pyinstaller) (58.0.4)
Requirement already satisfied: pyinstaller-hooks-contrib>=2021.4 in /Users/name/Library/Python/3.9/lib/python/site-packages (from pyinstaller) (2022.10)
Requirement already satisfied: altgraph in /Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/site-packages (from pyinstaller) (0.17.2)
Requirement already satisfied: macholib>=1.8 in /Users/name/Library/Python/3.9/lib/python/site-packages (from pyinstaller) (1.16)
name@192 bingdun % 

电脑是Mac，想用这个打包python项目，但是这个包有安装，为什么无法使用呢？在Windows正常使用没问题，也查了，这个pyinstaller在Mac上用法一样