Comment 1 for bug 2064493

solving problem:
# apt-get install postgresql -y
# pip install psycopg2-binary
# apt-get install libpq-dev -y
# apt-get install mercurial -y
# apt install tox -y

verify hg installation:
# hg --version
# which hg

# find / -name pg_config
outpute: /usr/lib/postgresql/14/bin/pg_config

# export PATH=$PATH:/usr/lib/postgresql/14/bin/pg_config

# cd masakari
# tox -egenconfig