Install aip on Mac High Sierra

Hi, many thanks, looks like, it really isnt there. But it didnt help,
my echo $PATH looks like:
/Library/Frameworks/Python.framework/Versions/3.9/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/local/bin/python3:/Applications/VMware Fusion.app/Contents/Public

Error message :
Traceback (most recent call last):
File “/Library/Frameworks/Python.framework/Versions/3.9/bin/aip”, line 8, in
sys.exit(main())
File “/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/aip/main.py”, line 52, in main
from aip.command import commands_dict, parse_command
File “/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/aip/command.py”, line 47, in
from aip.install import installCommand
File “/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/aip/install.py”, line 34, in
import requests
ModuleNotFoundError: No module named ‘requests’