does not work on ubuntu 20.04 with pip3 install --user about ps_mem HOT 3 CLOSED

Works for me:

nathan:~$ which -a ps_mem
/home/nathan/.local/bin/ps_mem
nathan:~$ ps_mem -p $$
 Private  +   Shared  =  RAM used	Program

  1.8 MiB +   2.7 MiB =   4.5 MiB	bash
---------------------------------
                          4.5 MiB
=================================

Are you trying to run it with sudo?
That won't work, as it won't use the packages installed under your account.

from ps_mem.

now it works 'sudo /home/xyz/.local/bin/ps_mem', not sure what changed.

from ps_mem.

Your user python env isnt setup to look for modules. sudo is working because it then looks for the modules in the root installled path which exists.

from ps_mem.