xpectedly listen for the 'handle_error' event connection to server at "localhost" (127.0.0.1), port 5432 failed: FATAL: the database system is shutting down listen for the 'handle_error' event SSL connection has been closed unexpectedly listen for the 'handle_error' event connection to server at "localhost" (127.0.0.1), port 5432 failed: FATAL: the database system is shutting down (psycopg2.OperationalError) connection to server at "localhost" (127.0.0.1), port 5432 failed: FATAL: the database system is shutting down (Background on this error at: https://sqlalche.me/e/20/e3q8) listen for the 'handle_error' event SSL connection has been closed unexpectedly listen for the 'handle_error' event connection to server at "localhost" (127.0.0.1), port 5432 failed: FATAL: the database system is shutting down (psycopg2.OperationalError) connection to server at "localhost" (127.0.0.1), port 5432 failed: FATAL: the database system is shutting down (Background on this error at: https://sqlalche.me/e/20/e3q8)