#162: return empty groups list to frontend when user has not declared any consents

src/consents/views.py

@@ -506,6 +506,7 @@ class GetUserConsentHistoryView(APIView):
         except ObjectDoesNotExist:
             return JsonResponse(
                 {
+                    "groups": [],
                     "message": "User has no consent declaration record.",
                     "no_consent_record": True,
                 },