fix #2993 格式错误和传参警告

app/modules/plex/__init__.py

@@ -274,11 +274,11 @@ class PlexModule(_ModuleBase, _MediaServerBase[Plex]):
             return []
         return server.get_latest(num=count)
 
-    def mediaserver_latest_images(self, 
-                                 server: str,
-                                 count: int = 20, 
-                                 username: str = None, 
-        ) -> List[str]:
+    def mediaserver_latest_images(self,
+                                  server: str = None,
+                                  count: int = 20,
+                                  username: str = None,
+                                  ) -> List[str]:
         """
         获取媒体服务器最新入库条目的图片
 
@@ -290,18 +290,18 @@ class PlexModule(_ModuleBase, _MediaServerBase[Plex]):
         server: Plex = self.get_instance(server)
         if not server:
             return []
-        
+
         links = []
         items: List[schemas.MediaServerPlayItem] = self.mediaserver_latest(num=count, username=username)
         for item in items:
-            link = server.get_remote_image_by_id(item_id=item.id, 
+            link = server.get_remote_image_by_id(item_id=item.id,
                                                  image_type="Backdrop",
                                                  plex_url=False)
             if link:
                 links.append(link)
-                
+
         return links
-    
+
     def mediaserver_play_url(self, server: str, item_id: Union[str, int]) -> Optional[str]:
         """
         获取媒体库播放地址