using filename for entrance_slug not the <slug> field in entrance_data file

core/models/wallets.py

@@ -208,6 +208,7 @@ class Wallet(models.Model):
                     if not (Path(settings.SURVEX_DATA) / sx).is_file():
                         message=f"{self} Survex file {sx} was not found in LOSER repo"
                         DataIssue.objects.update_or_create(parser="wallets", message=message, url=wurl)
+                        # check using <kataster> field on the cave whether it has been renamed...
     
     def allcaves(self):
         """Called when parsing importing all data. Called on all new wallets, but before