I'm trying to install pgadmin on ubuntu 18.04, but i'm getting following error. I also tried to rm and reinstall but it's getting same error.
$ sudo apt-get install pgadmin4 pgadmin4-apache2
Reading package lists... Done
Building dependency tree
Reading state information... Done
pgadmin4-apache2 is already the newest version (4.25-1.pgdg18.04+1).
pgadmin4 is already the newest version (4.29).
0 upgraded, 0 newly installed, 0 to remove and 13 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
Setting up pgadmin4-apache2 (4.25-1.pgdg18.04+1) ...
apache2_invoke pgadmin4: already enabled
Traceback (most recent call last):
File "setup.py", line 18, in <module>
from pgadmin.model import db, User, Version, ServerGroup, Server, \
File "/usr/share/pgadmin4/web/pgadmin/__init__.py", line 19, in <module>
from flask import Flask, abort, request, current_app, session, url_for
ModuleNotFoundError: No module named 'flask'
dpkg: error processing package pgadmin4-apache2 (--configure):
installed pgadmin4-apache2 package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
pgadmin4-apache2
E: Sub-process /usr/bin/dpkg returned an error code (1)
I tried,
sudo apt update --fix-missing
sudo apt install -f
sudo dpkg --configure -a
but its not working plz anyone help me with this
