pgadmin4.3 - login failure

[Tony Bazeley]

On attempting to login to the database server I get an error message "readonly attribute" - see log entry below I'm using postgresql 9.6 on Ubuntu 16.04.4 LTS,  installed on a single user workstation using trust authentication on 127.0.0.1 pgadmin 4.3 installed using apt from the postgresql repository No problems with pgadmin3 or pgadmin 4.21 Any thoughts on how to proceed would be much appreciated Thanks Tony 2018-04-18 19:10:59,709: ERROR    pgadmin:    readonly attribute Traceback (most recent call last):   File "/usr/share/pgadmin4/web/pgadmin/browser/server_groups/servers/__init__.py", line 972, in connect     server_types=ServerType.types()   File "/usr/share/pgadmin4/web/pgadmin/utils/driver/psycopg2/connection.py", line 313, in connect     pg_conn.notices = deque([], self.ASYNC_NOTICE_MAXLENGTH) AttributeError: readonly attribute