Hallo Gavin,
i had the same problem today and solved it as follows:
1. I searched my system for the pgadmi4.db file
/sudo find / -name pgadmin4.db/
and found it inside ~/.pgadim/
2. So I created a symlink with
/sudo ln -s ~/.pgadmin /var/lib/pgadmin/
Afterwards I could create the dumb with
/python3 setup.py --dump-servers ~/pgadmin_servers.json/
I hope this solution works for you
uaparit
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