Raise KeyError if choices for a disallowed collection are requested

dj_iconify/util.py

@@ -41,6 +41,9 @@ def icon_choices(collection: str) -> list[tuple[str, str]]:
 
     from .types import IconifyJSON
 
+    if not collection_allowed(collection):
+        raise KeyError("The collection %s is disallowed." % collection)
+
     # Load icon set through Iconify types
     collection_file = os.path.join(JSON_ROOT, "json", f"{collection}.json")
     icon_set = IconifyJSON.from_file(collection_file)