I cant use llama-stack on ubuntu 20.04 even ı downloaded with pip

[korkmazemin1]

even ı pipped the llama stack on ubuntu 20.04 I m facing with this issue

and ı tried tried sudo snap install its an offtopic command line code for me

comp@comp:~$ llama model-list

Command 'llama' not found, but can be installed with:

sudo snap install llama