Fix error message parsing logic when password is needed

The string 'fe_sendauth: ...' is just a part of the error message, so we
must not check for equality.

Author: dlax

CHANGELOG.md

@@ -9,6 +9,7 @@
 ### Fixed
 
 * At startup, do not show a traceback upon failure to connect to PostgreSQL.
+* Fix password prompt not shown with psycopg2 backend.
 
 ### Misc
 

pgactivity/data.py

@@ -537,7 +537,7 @@ def pg_connect(
             if nb_try < 1 and (
                 isinstance(err, pg.InvalidPassword)
                 or errmsg.startswith("FATAL:  password authentication failed for user")
-                or errmsg == "fe_sendauth: no password supplied"
+                or "fe_sendauth: no password supplied" in errmsg
             ):
                 password = getpass.getpass()
             elif exit_on_failed: