ImportError: cannot import name 'Element'

[trixocom]

Cn not instll aeroo_docs server on odoo11, python3.
Insatlled sucesesfully aeroo_lib, base, uno, unotool, but..
root@odoo11:/opt/aeroo/aeroo_docs# python3 /opt/aeroo/aeroo_docs/aeroo-docs start -c /etc/aeroo-docs.conf
Traceback (most recent call last):
File "/opt/aeroo/aeroo_docs/aeroo-docs", line 42, in
from aeroo_docs_fncs import OfficeService
File "/opt/aeroo/aeroo_docs/aeroo_docs_fncs.py", line 37, in
from DocumentConverter import DocumentConverter, DocumentConversionException
File "/opt/aeroo/aeroo_docs/DocumentConverter.py", line 34, in
import uno
File "/usr/local/lib/python3.6/site-packages/uno/init.py", line 4, in
from base import Element, Css, Payload, UnoBaseFeature, UnoBaseField
ImportError: cannot import name 'Element'
root@odoo11:/opt/aeroo/aeroo_docs#

[sraps]

Please check this:
https://stackoverflow.com/questions/38375068/importerror-cannot-import-name-element