PGadmi4 - Unable to set up dev environment

Hi team,

I am trying to set up dev. environment Rocky Linux 9. Despite repeated
attempts, I am still getting the following errors and need help in
fixing this.

*Traceback (most recent call last): File
"/home/vaij/pgadmin4/web/setup.py", line 24, in <module> import config
File "/home/vaij/pgadmin4/web/config.py", line 25, in <module> from
pgadmin.utils import env, IS_WIN, fs_short_path File
"/home/vaij/pgadmin4/web/pgadmin/__init__.py", line 24, in <module> from
flask import Flask, abort, request, current_app, session, url_for File
"/home/vaij/pgadmin4/runtime/venv/lib64/python3.9/site-packages/flask/__init__.py",
line 4, in <module> from . import json as json File
"/home/vaij/pgadmin4/runtime/venv/lib64/python3.9/site-packages/flask/json/__init__.py",
line 8, in <module> from ..globals import current_app File
"/home/vaij/pgadmin4/runtime/venv/lib64/python3.9/site-packages/flask/globals.py",
line 56, in <module> app_ctx: "AppContext" = LocalProxy( # type:
ignore[assignment]TypeError: __init__() got an unexpected keyword argument
'unbound_message'*

Please do the needful. I would like to join as a contributor.

Thank you,

Vaij