dsa: special case preining in the housekeeping job

I think he is the first and only to change status from DD to DM

Signed-off-by: Mattia Rizzolo <mattia@debian.org>

dsa/housekeeping.py

@@ -215,7 +215,11 @@ class CheckLDAPConsistency(hk.Task):
             #              self.IDENTIFIER, self.hk.link(person), const.ALL_STATUS_DESCS[person.status])
 
             if person.status_changed > self.email_forwarding_cutoff:
-                if dsa_status == "retiring" and person.status != const.STATUS_EMERITUS_DD:
+                if person.ldap_fields.uid == "preining":
+                    # special case preining; he is marked as retired in LDAP, but the account
+                    # is simply locked while he became a DM.
+                    pass
+                elif dsa_status == "retiring" and person.status != const.STATUS_EMERITUS_DD:
                     Inconsistency.objects.found(
                         self.IDENTIFIER,
                         f"person has accountStatus '{entry.single('accountStatus')}'"