single object search returns the object directly instead of a list containing only one object

__init__.py

@@ -149,17 +149,16 @@ class Gitlab:
         return self._iterate_over_objects(url, __find_single_object_abstract, *args, cache_behaviour=cache_behaviour,
                                           print_progress=print_progress)
 
-    def find_objects_by_attributes(self, url: str, attributes=None, print_progress: bool = False,
+    def find_objects_by_attributes(self, url: str, attributes: dict = {}, print_progress: bool = False,
                                    cache_behaviour: CacheBehaviour = CacheBehaviour.ignore) -> list:
-        if attributes is None:
-            attributes = {}
         return self._iterate_over_objects(url, self._Filtermethods.filter_page_by_attribute, attributes,
                                           cache_behaviour=cache_behaviour, print_progress=print_progress)
 
     def find_single_object_by_attributes(self, url: str, attributes: dict, print_progress: bool = False,
-                                         cache_behaviour: CacheBehaviour = CacheBehaviour.ignore) -> list:
-        return self._find_single_object(url, self._Filtermethods.object_matches_attributes, attributes,
+                                         cache_behaviour: CacheBehaviour = CacheBehaviour.ignore) -> object:
+        result = self._find_single_object(url, self._Filtermethods.object_matches_attributes, attributes,
                                         cache_behaviour=cache_behaviour, print_progress=print_progress)
+        return result[0] if len(result)>0 else None
 
     class _Filtermethods:
         @staticmethod