LibreOffice 6: cannot instantiate python

[nonlin-lin-chaos-order-etc-etal]

Thank you for taking the time to report an issue. To help me help you please specify

LOC-Extension version:

both:

• latest one from official libreoffice extensions distribution site AND
• v0.2.3 from github releases

Platform you're running it on:

Ubuntu 18.04.x

Expected behaviour:

Would run python ok

Actual behaviour:

Shows error dialog box (dialog box pixmap below, the Russian dialog title translates as `Extenstion management'):

[nonlin-lin-chaos-order-etc-etal]

LIBREOFFICE VERSION: 6.0.7.3
LIBREOFFICE BUILD ID: 1:6.0.7-0ubuntu0.18.04.8

UBUNTU VERSION:
Description: Ubuntu 18.04.2 LTS
Release: 18.04
Codename: bionic

[nonlin-lin-chaos-order-etc-etal]

Pixmap of a dialog with list of extensions:

Line «Ошибка: статус расширения неизвестен» translates as `Error: status of the extension is unknown'.