diff --git a/music_kraken/objects/collection.py b/music_kraken/objects/collection.py
index a257226..d08415e 100644
--- a/music_kraken/objects/collection.py
+++ b/music_kraken/objects/collection.py
@@ -84,6 +84,7 @@ class Collection(Generic[T]):
         for e in self._data:
             self._map_element(e, no_unmap=True)
 
+
     def _find_object(self, __object: T, **kwargs) -> Optional[T]:
         self._remap()
 
@@ -216,8 +217,8 @@ class Collection(Generic[T]):
             self._data.remove(existing)
             self._unmap_element(existing)
 
-    def contains(self, other: T) -> bool:
-        return self._find_object(other) is not None
+    def contains(self, __object: T) -> bool:
+        return self._find_object(__object) is not None
 
     def extend(self, other_collections: Optional[Generator[T, None, None]], **kwargs):
         if other_collections is None: