typing annotations , and if I did it right, rebase on master

praw/models/reddit/subreddit.py

@@ -2048,7 +2048,7 @@ def delete_all(self) -> List[Dict[str, Union[str, bool, Dict[str, str]]]]:
         """
         return self.update(x["user"] for x in self())
 
-    def reorder(self, newlist, flair_type):
+    def reorder(self, newlist: list, flair_type: str):
         """Reorder a list of flairs.
         :param newlist: A list of Flair ID's.
         :param flair_type : The flairs types, either USER_FLAIR or LINK_FLAIR