diff --git a/lazy_player/file_model.py b/lazy_player/file_model.py
index f7f6b6b..25b617e 100644
--- a/lazy_player/file_model.py
+++ b/lazy_player/file_model.py
@@ -15,14 +15,12 @@ class FileType(Enum):
 
 
 class FileItem(GObject.Object):
+    file_type: FileType
+    full_path: str
+
     __gtype_name__ = "FileItem"
 
-    def __init__(
-        self,
-        name: str,
-        file_type: FileType,
-        full_path: str,
-    ):
+    def __init__(self, name: str, file_type: FileType, full_path: str):
         super().__init__()
         self.name = name
         self.file_type = file_type