psycopg_pool not found . where it is installed in the system

[ultrainstintgoku]

Hii team ,
i am facing this issue when trying to set up file server

mounting fileserver.web:app on /
Traceback (most recent call last):
File "/home/ubuntu/session-file-server/./fileserver/web.py", line 20, in
from . import routes # noqa: F401, E402
File "/home/ubuntu/session-file-server/./fileserver/routes.py", line 3, in
from . import db
File "/home/ubuntu/session-file-server/./fileserver/db.py", line 6, in
from psycopg_pool import ConnectionPool
ModuleNotFoundError: No module named 'psycopg_pool'
unable to load app 0 (mountpoint='/') (callable not found or import error)
*** no app loaded. going in full dynamic mode ***