Fatal Python error: Py_Initialize: Unable to get the locale encoding

gnocteam@bgptool4:~$ sudo apt-get install ralph-core=20240813.1
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Suggested packages:
redis
The following NEW packages will be installed:
ralph-core
0 upgraded, 1 newly installed, 0 to remove and 96 not upgraded.
Need to get 0 B/41.5 MB of archives.
After this operation, 210 MB of additional disk space will be used.
Preconfiguring packages ...
Selecting previously unselected package ralph-core.
(Reading database ... 110721 files and directories currently installed.)
Preparing to unpack .../ralph-core_20240813.1_amd64.deb ...
The system user `ralphsrv' already exists. Exiting.
Leaving 'diversion of /etc/ralph/ralph.conf to /etc/ralph/ralph.conf.distrib by ralph-core'
Leaving 'diversion of /etc/ralph/conf.d/database.conf to /etc/ralph/conf.d/database.conf.distrib by ralph-core'
Leaving 'diversion of /etc/ralph/conf.d/cache.conf to /etc/ralph/conf.d/cache.conf.distrib by ralph-core'
Leaving 'diversion of /etc/ralph/conf.d/redis.conf to /etc/ralph/conf.d/redis.conf.distrib by ralph-core'
Leaving 'diversion of /etc/ralph/conf.d/gunicorn.conf to /etc/ralph/conf.d/gunicorn.conf.distrib by ralph-core'
Unpacking ralph-core (20240813.1) ...
Setting up ralph-core (20240813.1) ...
Collecting django static files...
Could not find platform independent libraries
Could not find platform dependent libraries
Consider setting $PYTHONHOME to [:]
Fatal Python error: Py_Initialize: Unable to get the locale encoding
ModuleNotFoundError: No module named 'encodings'

Current thread 0x00007f7314e50740 (most recent call first):
Aborted (core dumped)
dpkg: error processing package ralph-core (--configure):
installed ralph-core package post-installation script subprocess returned error exit status 134
Processing triggers for libc-bin (2.35-0ubuntu3.8) ...
Errors were encountered while processing:
ralph-core
needrestart is being skipped since dpkg has failed
E: Sub-process /usr/bin/dpkg returned an error code (1)

### Environment

* Ralph version:
* Operating system:
* Method of installation: Deb package? Manual installation? Docker?