feat(generic): adapt importer to rdf parser list style return values

apis_core/generic/importers.py

@@ -5,6 +5,7 @@
 
 from django.core.exceptions import ImproperlyConfigured
 
+from apis_core.utils.helpers import flatten_if_single
 from apis_core.utils.normalize import clean_uri
 from apis_core.utils.rdf import get_definition_and_attributes_from_uri
 
@@ -70,6 +71,7 @@ def get_data(self, drop_unknown_fields=True):
             # we are dropping all fields that are not part of the model
             modelfields = [field.name for field in self.model._meta.fields]
             data = {key: data[key] for key in data if key in modelfields}
+        data = {key: flatten_if_single(value) for key, value in data.items()}
         if not data:
             raise ImproperlyConfigured(
                 f"Could not import {self.import_uri}. Data fetched was: {data}"

apis_core/utils/helpers.py

@@ -171,3 +171,9 @@ def construct_lookup(value: str) -> tuple[str, str]:
         if value.startswith("*") and value.endswith("*"):
             value = value[1:-1]
         return "__icontains", value
+
+
+def flatten_if_single(value: list):
+    if len(value) == 1:
+        return value[0]
+    return value