try with import field

src/fediblockhole/__init__.py

@@ -576,6 +576,8 @@ def push_blocklist(token: str, host: str, blocklist: list[DomainBlock],
     # Force use of the admin API, and add 'id' to the list of fields
     if 'id' not in import_fields:
         import_fields.append('id')
+    if override_private_comment:
+        import_fields.append('private_comment')
     serverblocks = fetch_instance_blocklist(host, token, True, import_fields, scheme)
 
     # # Convert serverblocks to a dictionary keyed by domain name