ENH(validator): use NotImplementedError instead of RuntimeError

src/caoscrawler/validator.py

@@ -149,7 +149,7 @@ def validate(records: list[db.Record], schemas: dict[str, dict]) -> list[tuple]:
     retval = []
     for r in records:
         if len(r.parents) != 1:
-            raise RuntimeError(
+            raise NotImplementedError(
                 "Schema validation is only supported if records have exactly one parent.")
         parname = r.parents[0].name
         if parname not in schemas: