Description of problem:

A user can not run `dstat` when configured to use its own python installation, for example, from anaconda. The error received is:

$ dstat
Traceback (most recent call last):
File "/usr/bin/dstat", line 30, in <module>
from pcp import pmapi, pmconfig
ModuleNotFoundError: No module named 'pcp'

for some reason pmpython is not using platform python, but the user's local python

$ which pmpython
/usr/bin/pmpython
$ pmpython
Python 3.11.4 | packaged by conda-forge | (main, Jun 10 2023, 18:08:17) [GCC 12.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.

Version-Release number of selected component (if applicable):

pcp-system-tools-6.0.4-2.el9.x86_64

How reproducible: 100%

Steps to Reproduce:
1. install anaconda python
2. conda activate env
3. dstat