ModuleNotFoundError: No module named 'sqlalchemy'

ubuntu 24.04 seafile-pro-server-11.0.7 mysql 8.4.0 LTS
./seahub.sh start
Traceback (most recent call last):
File “”, line 198, in _run_module_as_main
File “”, line 88, in _run_code
File “/opt/seafile-pro-server-11.0.7/pro/python/seafevents/main.py”, line 6, in
from seafevents.db import create_db_tables, prepare_db_tables
File “/opt/seafile-pro-server-11.0.7/pro/python/seafevents/db.py”, line 7, in
from sqlalchemy import create_engine
ModuleNotFoundError: No module named ‘sqlalchemy’

As the message says, you are missing some python dependencies. Just check the manual on installing 11.x for what is needed.

Is it the correct version? System-wide installed or just local user?
“pip3 list” shows for me “SQLAlchemy 2.0.18”