BUG #16339: [Errno 2] No such file or directory: 'python': 'python'

The following bug has been logged on the website:

Bug reference: 16339
Logged by: Chris Thell
Email address: projetchristarget@gmail.com
PostgreSQL version: 12.2
Operating system: Centos 8
Description:

[Errno 2] No such file or directory: 'python': 'python'

At CSV import action

I tried a lot of solutions from web, turning into Desktop mode too..

May be it is not possible with PgAdmin?
Thank you.